From ce4854339986413e849f5dbd4393db0ec636c4f7 Mon Sep 17 00:00:00 2001
From: MohamedAmine-Oueslati <wesamin1991@gmail.com>
Date: Fri, 13 Mar 2020 10:06:33 +0100
Subject: [PATCH 01/41] questions solved

---
 warmUp1.js | 23 +++++++++++++++++++++--
 1 file changed, 21 insertions(+), 2 deletions(-)

diff --git a/warmUp1.js b/warmUp1.js
index 359b609..d73f4ac 100644
--- a/warmUp1.js
+++ b/warmUp1.js
@@ -1,6 +1,25 @@
 // 1-using + operator combine your partner first and last name .
+var firstName = "Mohamed Amine" ;
+var lastName = "Oueslati" ;
+var fullName = firstName + " " + lastName ;
+    console.log (fullName) ;
+
 // 2-find if the number 13 is a multiple of 3 or not.
+var x = 13 ;
+if ( x % 3 === 0 ) {
+	console.log ("13 is a multiple of 3") ;
+}
+    console.log ("13 is not a multiple of 3") ;
+
 // 3-calculate the average age of the follwing ages [13,14,13,15,16,17,19,13,16,15]
-// 4-calculate your age in seconds.
+var array = [13,14,13,15,16,17,19,13,16,15] ;
+var sum = 0 ;
+   for (var i=0 ; i < array.length ; i++) {
+   	   sum += array[i] ; 
+   }
+   console.log(sum/array.length) ;
 
-// your code is here
+// 4-calculate your age in seconds.
+var age = 28 ;
+var ageInSeconds = age * 365 * 24 * 60 * 60 ;
+    console.log (ageInSeconds) ;

From 9a3bc1afb5244db347b198a56c1d59d328227178 Mon Sep 17 00:00:00 2001
From: Seif-Miehiar <Seif.Miehiar@gmail.com>
Date: Sat, 14 Mar 2020 09:01:25 +0100
Subject: [PATCH 02/41] warmUp2

---
 warmUp2.js | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 warmUp2.js

diff --git a/warmUp2.js b/warmUp2.js
new file mode 100644
index 0000000..a6d6932
--- /dev/null
+++ b/warmUp2.js
@@ -0,0 +1,26 @@
+// 1 - Complete the function cube that returns the cube of x:
+
+function cube(x) {
+  // your code here
+}
+
+// 2 - Write a function sameLength that accepts two strings as arguments, and returns true if those strings have the same length, and false otherwise.
+
+function sameLength(string1, string2) {
+  // your code here
+}
+
+// 3 - Write a function called scoreToGrade that accepts a number as a parameter and returns a string representing a letter grade corresponding to that score.
+
+function scoreToGrade(number) {
+  // your code here
+}
+// Repeating a String n Times: Let's write a function called repeatString that takes two parameters: a string str, which is the string to be repeated, and count -- a number representing how many times the string str should be repeated
+// repeatString('dog', 0); // => ''
+// repeatString('dog', 1); // => 'dog'
+// repeatString('dog', 2); // => 'dog' + 'dog' => 'dogdog'
+// repeatString('dog', 3); // => 'dog' + 'dog' + 'dog' => 'dogdogdog'
+
+function repeatString(str, count) {
+  // TODO: your code here
+}

From b6d9181a5da11874e4d98f4d0f2d685b4e6a64f9 Mon Sep 17 00:00:00 2001
From: Seif-Miehiar <Seif.Miehiar@gmail.com>
Date: Sat, 14 Mar 2020 09:06:23 +0100
Subject: [PATCH 03/41] updated

---
 warmUp2.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/warmUp2.js b/warmUp2.js
index a6d6932..42f5983 100644
--- a/warmUp2.js
+++ b/warmUp2.js
@@ -15,6 +15,7 @@ function sameLength(string1, string2) {
 function scoreToGrade(number) {
   // your code here
 }
+// USE RECURSION
 // Repeating a String n Times: Let's write a function called repeatString that takes two parameters: a string str, which is the string to be repeated, and count -- a number representing how many times the string str should be repeated
 // repeatString('dog', 0); // => ''
 // repeatString('dog', 1); // => 'dog'

From 5cd35320fb68030b63e3ae036d4334b2fcdd2d9f Mon Sep 17 00:00:00 2001
From: MohamedAmine-Oueslati <wesamin1991@gmail.com>
Date: Sat, 14 Mar 2020 10:27:51 +0100
Subject: [PATCH 04/41] questions solved

---
 warmUp2.js | 28 +++++++++++++++++++++++-----
 1 file changed, 23 insertions(+), 5 deletions(-)

diff --git a/warmUp2.js b/warmUp2.js
index 42f5983..e90b78e 100644
--- a/warmUp2.js
+++ b/warmUp2.js
@@ -1,19 +1,33 @@
 // 1 - Complete the function cube that returns the cube of x:
 
 function cube(x) {
-  // your code here
+  return (x * x * x) ;
 }
 
 // 2 - Write a function sameLength that accepts two strings as arguments, and returns true if those strings have the same length, and false otherwise.
 
 function sameLength(string1, string2) {
-  // your code here
+   if (string1.length === string2.length) {
+   	return true ;
+   }
+   return false ; 
 }
 
 // 3 - Write a function called scoreToGrade that accepts a number as a parameter and returns a string representing a letter grade corresponding to that score.
 
 function scoreToGrade(number) {
-  // your code here
+   if (number > 90 && number <= 100) {
+   	return "A" ;
+   }
+   else if (number > 80 && number <= 90) {
+   	return "B" ;
+   }
+   else if (number > 70 && number <= 80) {
+   	return "C" ;
+   }
+   else if (number > 60 && number <= 70) {
+   	return "D" ;
+   }
 }
 // USE RECURSION
 // Repeating a String n Times: Let's write a function called repeatString that takes two parameters: a string str, which is the string to be repeated, and count -- a number representing how many times the string str should be repeated
@@ -23,5 +37,9 @@ function scoreToGrade(number) {
 // repeatString('dog', 3); // => 'dog' + 'dog' + 'dog' => 'dogdogdog'
 
 function repeatString(str, count) {
-  // TODO: your code here
-}
+  if (count === 0) {
+  	return '' ;
+  } 
+  count-- ;
+  return str += repeatString(str, count)
+}
\ No newline at end of file

From 87d1ed2d16e10c1a29cf07bf66d1b516783bcf2c Mon Sep 17 00:00:00 2001
From: Seif-Miehiar <Seif.Miehiar@gmail.com>
Date: Mon, 16 Mar 2020 09:11:19 +0100
Subject: [PATCH 05/41] warmUp3 is pushed

---
 warmUp3.js | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 warmUp3.js

diff --git a/warmUp3.js b/warmUp3.js
new file mode 100644
index 0000000..ae817da
--- /dev/null
+++ b/warmUp3.js
@@ -0,0 +1,21 @@
+// 1 - Write functions larger and smaller that each accept two strings as arguments, and return the larger and smaller strings, respectively
+
+// 2 - Write a function called counter that, when invoked, always returns a number that is one more than the previous invocation. For instance:
+// function counting(n) { 
+    TODO: your code here 
+// } 
+// counting(5); // => '1, 2, 3, 4, 5' 
+// counting(1); // => '1' 
+// counting(3); // => '1, 2, 3'
+
+
+// 3 -  Meet & Greet: n numbers are coming to a party for numbers. Introduce them each to all the guests as they arrive. You should end up with output looking something like this one for n = 5
+// welcome 1
+//  welcome 2, meet 1
+//  welcome 3, meet 1 and 2
+//  welcome 4, meet 1, 2 and 3
+//  welcome 5, meet 1, 2, 3 and 4
+//
+
+// 4- Write a function shortestWord that works like longestWord, but returns the shortest word instead.
+

From 68e0a89824f27f30e294dc48d310ddda32afa6a7 Mon Sep 17 00:00:00 2001
From: MohamedAmine-Oueslati <wesamin1991@gmail.com>
Date: Mon, 16 Mar 2020 09:59:19 +0100
Subject: [PATCH 06/41] questions solved

---
 warmUp3.js | 72 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 warmUp3.js

diff --git a/warmUp3.js b/warmUp3.js
new file mode 100644
index 0000000..8c516ad
--- /dev/null
+++ b/warmUp3.js
@@ -0,0 +1,72 @@
+// 1 - Write functions larger and smaller that each accept two strings as arguments, and return the larger and smaller strings, respectively
+ 
+function larger (str1,str2) {
+	if (str1.length > str2.length) {
+		return str1
+	}
+	return str2
+}
+
+function smaller (str1,str2) {
+	if (str1.length > str2.length) {
+		return str2
+	}
+	return str1
+}
+
+// 2 - Write a function called counter that, when invoked, always returns a number that is one more than the previous invocation. For instance:
+var newNumber;
+
+function counter(n){
+  return newNumber = (n + 1);
+}
+
+
+// 3 -  Meet & Greet: n numbers are coming to a party for numbers. Introduce them each to all the guests as they arrive. You should end up with output looking something like this one for n = 5
+// welcome 1
+//  welcome 2, meet 1
+//  welcome 3, meet 1 and 2
+//  welcome 4, meet 1, 2 and 3
+//  welcome 5, meet 1, 2, 3 and 4
+//
+
+function meetAndGreet(n) { 
+ var counter = 1; 
+ var x; 
+ var total = ''; 
+ while (counter <= n) { 
+ if (n === 1) { 
+ total = 'welcome ' + counter 
+ } else if (counter === 1) { 
+ total = 'welcome ' + counter + ' '; 
+ } else { 
+ total = total + 'welcome ' + counter + ', ' + 'meet '; 
+ x = 1; 
+ while (x < counter) { 
+ if (x === counter - 2) { 
+ total = total + x + ' and '; 
+ } else if (x === counter - 1) { 
+ total = total + x; 
+ } else { 
+ total = total + x + ', '; 
+ } 
+ x += 1; 
+ } 
+ total = total + ' ' ; 
+ } 
+ counter += 1; 
+ } 
+ return total; 
+ }
+// 4- Write a function shortestWord that works like longestWord, but returns the shortest word instead.
+
+function shortestWord (str) {
+     var array = str.split(' ') ;
+     var string = array[0]
+     for ( var i = 0 ; i < array.length ; i++) {
+     	if (array[i].length < string.length ) {
+     		string = array[i] ;
+     	}
+     }
+    return string ;
+}

From 4ab3967cd0764bea1a7614a1d87ac2da4d6ea391 Mon Sep 17 00:00:00 2001
From: Seif-Miehiar <Seif.Miehiar@gmail.com>
Date: Mon, 16 Mar 2020 21:19:14 +0100
Subject: [PATCH 07/41] warmUp 4

---
 warmUp3.js | 12 +++++-------
 warmUp4.js |  8 ++++++++
 2 files changed, 13 insertions(+), 7 deletions(-)
 create mode 100644 warmUp4.js

diff --git a/warmUp3.js b/warmUp3.js
index ae817da..9e5778b 100644
--- a/warmUp3.js
+++ b/warmUp3.js
@@ -1,14 +1,13 @@
 // 1 - Write functions larger and smaller that each accept two strings as arguments, and return the larger and smaller strings, respectively
 
 // 2 - Write a function called counter that, when invoked, always returns a number that is one more than the previous invocation. For instance:
-// function counting(n) { 
-    TODO: your code here 
-// } 
-// counting(5); // => '1, 2, 3, 4, 5' 
-// counting(1); // => '1' 
+// function counting(n) {
+// TODO: your code here
+// }
+// counting(5); // => '1, 2, 3, 4, 5'
+// counting(1); // => '1'
 // counting(3); // => '1, 2, 3'
 
-
 // 3 -  Meet & Greet: n numbers are coming to a party for numbers. Introduce them each to all the guests as they arrive. You should end up with output looking something like this one for n = 5
 // welcome 1
 //  welcome 2, meet 1
@@ -18,4 +17,3 @@
 //
 
 // 4- Write a function shortestWord that works like longestWord, but returns the shortest word instead.
-
diff --git a/warmUp4.js b/warmUp4.js
new file mode 100644
index 0000000..6db784a
--- /dev/null
+++ b/warmUp4.js
@@ -0,0 +1,8 @@
+// 1-write a function that returns the product of any number by 3.
+
+// 2-complete the following function multiply to return the result of multiplying of x and y
+
+// 3-complete the following function that Convert Fahrenheit to Celsius if the module for converting is
+// 	(5/9) * (fahrenheit-32);
+
+// 4-Define a function named "sqArea", and make it display square area if you knew the length of its side.

From 6e144bf43307a076854a37dd71b17f4dc1cd63ae Mon Sep 17 00:00:00 2001
From: MohamedAmine-Oueslati <wesamin1991@gmail.com>
Date: Tue, 17 Mar 2020 09:34:10 +0100
Subject: [PATCH 08/41] questions solved

---
 warmUp4.js | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 warmUp4.js

diff --git a/warmUp4.js b/warmUp4.js
new file mode 100644
index 0000000..dc06705
--- /dev/null
+++ b/warmUp4.js
@@ -0,0 +1,19 @@
+// 1-write a function that returns the product of any number by 3.
+
+function product3 (number) {
+	return number * 3 ;
+}
+// 2-complete the following function multiply to return the result of multiplying of x and y
+function multiply (x,y) {
+	return x * y ;
+}
+// 3-complete the following function that Convert Fahrenheit to Celsius if the module for converting is
+// 	(5/9) * (fahrenheit-32);
+function Convert (fahrenheit) {
+	return (5/9) * (fahrenheit-32) ;
+}
+
+// 4-Define a function named "sqArea", and make it display square area if you knew the length of its side.
+function sqArea (a) {
+	return a * a ;
+}
\ No newline at end of file

From b0ec828ea6e15714eee5fd8dde21f06ed724a9b3 Mon Sep 17 00:00:00 2001
From: Seif-Miehiar <Seif.Miehiar@gmail.com>
Date: Wed, 18 Mar 2020 09:01:34 +0100
Subject: [PATCH 09/41] warmUp5

---
 warmUp5.js | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 warmUp5.js

diff --git a/warmUp5.js b/warmUp5.js
new file mode 100644
index 0000000..1313865
--- /dev/null
+++ b/warmUp5.js
@@ -0,0 +1,43 @@
+// 1) Write a function named greaterNum that:
+// - takes 2 arguments, both numbers.
+// - returns whichever number is the greater (higher) number.
+// ex greaterNum(5, 10) => "The greater number of 5 and 10 is 10."
+
+// 2) Write a function named isEven using  for loop that
+// -  iterate from x to y.
+// -  return array contain the even values,
+//  ex:  isEven(1,10) => [2,4,6,8,10]
+
+// function isEven(x, y) {
+//     var arr = [];
+//     for (var i = 0; i < arr.length; i++) {
+//         while (x <= y) {
+//             if (x % 2 === 0) {
+//                 arr[i] = arr.push(x)
+//             }
+//             x++
+//         }
+//     }
+//     return arr;
+// }
+//3) write a function named sum that
+// - Use a while loop to add up the numbers from x to y.
+// ex sum(1,5) => 15
+
+//4) Write a function named factorial that
+// -  Use Recursion to calculate the factorial of a number
+// -  the factorial of a non-negative integer n, denoted by n!, is the product of all positive integers less than or equal to n
+// - 5! = 5*4*3*2*1 = 120
+// ex : factorial(5) => 120
+
+//5) write a function named decimals
+//- the function will format a number up to specified decimal places
+//- the function will return a string
+//- if the parameters not a number return false
+// ex :
+//      decimals(2100, 'a') ==> false
+//      decimals('a', 5) ==> false
+//      decimals(2.100212, 2) ==> '2.10'
+//      decimals(2.100212, 3) ==> '2.100'
+//      decimals(2100, 2) ==> '2100.00'
+//

From bb8f600beae6ba6bb118e46f212284106e2681e3 Mon Sep 17 00:00:00 2001
From: Seif-Miehiar <Seif.Miehiar@gmail.com>
Date: Wed, 18 Mar 2020 09:09:58 +0100
Subject: [PATCH 10/41] warmup5

---
 warmUp5.js | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/warmUp5.js b/warmUp5.js
index 1313865..0c715fa 100644
--- a/warmUp5.js
+++ b/warmUp5.js
@@ -9,16 +9,7 @@
 //  ex:  isEven(1,10) => [2,4,6,8,10]
 
 // function isEven(x, y) {
-//     var arr = [];
-//     for (var i = 0; i < arr.length; i++) {
-//         while (x <= y) {
-//             if (x % 2 === 0) {
-//                 arr[i] = arr.push(x)
-//             }
-//             x++
-//         }
-//     }
-//     return arr;
+
 // }
 //3) write a function named sum that
 // - Use a while loop to add up the numbers from x to y.

From 1610c21b7d1ab235c7736dbe1ebee2e89d6f737e Mon Sep 17 00:00:00 2001
From: MohamedAmine-Oueslati <wesamin1991@gmail.com>
Date: Wed, 18 Mar 2020 09:54:18 +0100
Subject: [PATCH 11/41] warmUp5 done

---
 warmUp5.js | 66 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 warmUp5.js

diff --git a/warmUp5.js b/warmUp5.js
new file mode 100644
index 0000000..6e25639
--- /dev/null
+++ b/warmUp5.js
@@ -0,0 +1,66 @@
+// 1) Write a function named greaterNum that:
+// - takes 2 arguments, both numbers.
+// - returns whichever number is the greater (higher) number.
+// ex greaterNum(5, 10) => "The greater number of 5 and 10 is 10."
+function greaterNum (num1,num2) {
+	return (num1 > num2) ? "The greater number of "+num1+" and "+num2+" is "+num1+"." 
+	: "The greater number of "+num1+" and "+num2+" is "+num2+".";
+}
+
+// 2) Write a function named isEven using  for loop that
+// -  iterate from x to y.
+// -  return array contain the even values,
+//  ex:  isEven(1,10) => [2,4,6,8,10]
+
+function isEven(x, y) {
+   var array = [] ;
+	for (var i = 0 ; x <= y ; x++) {
+       if (x % 2 === 0) {
+        array[i] = x ;
+        i++;
+       }
+	}
+	return array ;
+}
+
+// }
+//3) write a function named sum that
+// - Use a while loop to add up the numbers from x to y.
+// ex sum(1,5) => 15
+
+function sum (x,y) {
+	var sum = 0 ;
+	while (x <= y ) {
+		sum += x ;
+		x++;
+	}
+	return sum ;
+}
+
+//4) Write a function named factorial that
+// -  Use Recursion to calculate the factorial of a number
+// -  the factorial of a non-negative integer n, denoted by n!, is the product of all positive integers less than or equal to n
+// - 5! = 5*4*3*2*1 = 120
+// ex : factorial(5) => 120
+
+function factorial(n){  
+   return (n === 1 || n === 0) ? 1 :  n*factorial(n-1) ; 
+ };
+
+//5) write a function named decimals
+//- the function will format a number up to specified decimal places
+//- the function will return a string
+//- if the parameters not a number return false
+// ex :
+//      decimals(2100, 'a') ==> false
+//      decimals('a', 5) ==> false
+//      decimals(2.100212, 2) ==> '2.10'
+//      decimals(2.100212, 3) ==> '2.100'
+//      decimals(2100, 2) ==> '2100.00'
+//
+function decimals (x,y) {
+	if (typeof x !== 'number' || typeof y !== 'number') {
+		return false ;
+	}
+	return x.toFixed(y)
+}
\ No newline at end of file

From 7e2c0347dec1ec198db14146f80205e0c7faa398 Mon Sep 17 00:00:00 2001
From: hashem-buzer <hbuzer98@gmail.com>
Date: Wed, 18 Mar 2020 11:18:00 +0100
Subject: [PATCH 12/41] =?UTF-8?q?warmUp=205=E2=9C=94?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 warmUp4.js |  7 ++++++-
 warmUp5.js | 24 ++++++++++++++++++++++--
 2 files changed, 28 insertions(+), 3 deletions(-)

diff --git a/warmUp4.js b/warmUp4.js
index 6db784a..5f4dcd3 100644
--- a/warmUp4.js
+++ b/warmUp4.js
@@ -1,7 +1,12 @@
 // 1-write a function that returns the product of any number by 3.
+function product(number) {
+  return number * 3;
+}
 
 // 2-complete the following function multiply to return the result of multiplying of x and y
-
+function multiply(n1, n2) {
+  return n1 * n2;
+}
 // 3-complete the following function that Convert Fahrenheit to Celsius if the module for converting is
 // 	(5/9) * (fahrenheit-32);
 
diff --git a/warmUp5.js b/warmUp5.js
index 0c715fa..d14047b 100644
--- a/warmUp5.js
+++ b/warmUp5.js
@@ -3,17 +3,33 @@
 // - returns whichever number is the greater (higher) number.
 // ex greaterNum(5, 10) => "The greater number of 5 and 10 is 10."
 
+var greaterNum = (num1, num2) => {
+  return num1 > num2 ? num1 : num1 < num2 ? num2 : "equal";
+};
 // 2) Write a function named isEven using  for loop that
 // -  iterate from x to y.
 // -  return array contain the even values,
 //  ex:  isEven(1,10) => [2,4,6,8,10]
 
-// function isEven(x, y) {
+var isEven = (x, y) => {
+  var array = [];
 
-// }
+  for (var i = x; i < y; i++) {
+    i % 2 === 0 ? array.push(i) : null;
+  }
+  return array;
+};
 //3) write a function named sum that
 // - Use a while loop to add up the numbers from x to y.
 // ex sum(1,5) => 15
+var sum = (x, y) => {
+  var result = 0;
+
+  for (var i = x; i <= y; i++) {
+    result += i;
+  }
+  return result;
+};
 
 //4) Write a function named factorial that
 // -  Use Recursion to calculate the factorial of a number
@@ -21,6 +37,10 @@
 // - 5! = 5*4*3*2*1 = 120
 // ex : factorial(5) => 120
 
+var factorial = n => {
+  return n === 0 ? 1 : n * factorial(n - 1);
+};
+
 //5) write a function named decimals
 //- the function will format a number up to specified decimal places
 //- the function will return a string

From a293eee4d2c674c5243436c035f584a16e547e59 Mon Sep 17 00:00:00 2001
From: Seif-Miehiar <Seif.Miehiar@gmail.com>
Date: Thu, 19 Mar 2020 00:55:23 +0100
Subject: [PATCH 13/41] warmUp6

---
 warmUp6.js | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 warmUp6.js

diff --git a/warmUp6.js b/warmUp6.js
new file mode 100644
index 0000000..7d74294
--- /dev/null
+++ b/warmUp6.js
@@ -0,0 +1,10 @@
+// Style your code and explain it step by step before jumping to code :D
+// Read carefully, focus and test your code :) ... /\ HaPPy HaCkInG /\
+
+// 1-Define a function called myTrueFun that returns true whenever its called.
+
+// 2- Define a function called color in which returns true if type of the input is string and returns false otherwise.
+
+// 3-Write a JavaScript function that accepts a number as a parameter and check if the number is prime or not.
+
+// 4-write a function that accepts two numbers as parameters and returns true if the two parameters have the same value , false if not

From 5fe6b78dc00e48b69b7a1736a71dc53c555653ec Mon Sep 17 00:00:00 2001
From: MohamedAmine-Oueslati <wesamin1991@gmail.com>
Date: Thu, 19 Mar 2020 10:06:58 +0100
Subject: [PATCH 14/41] warmUp6 done

---
 warmUp6.js | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 warmUp6.js

diff --git a/warmUp6.js b/warmUp6.js
new file mode 100644
index 0000000..a1f1e00
--- /dev/null
+++ b/warmUp6.js
@@ -0,0 +1,33 @@
+// Style your code and explain it step by step before jumping to code :D
+// Read carefully, focus and test your code :) ... /\ HaPPy HaCkInG /\
+
+// 1-Define a function called myTrueFun that returns true whenever its called.
+// i wrote a function without parameters and i returned true 
+function myTrueFun () {
+	return true 
+}
+
+// 2- Define a function called color in which returns true if type of the input is string and returns false otherwise.
+// i added a condition that check if the type of the value i entered is string or not and i returned true or false
+function color (string) {
+	return (typeof(string) === 'string' ? true : false)
+}
+// 3-Write a JavaScript function that accepts a number as a parameter and check if the number is prime or not.
+// i added a for loop to check if the rest of my number divided by all numbers less than it is equal to 0 or not ... if it is 
+// so the number is not a prime if its not so the number is a prime
+function Prime (number) {
+	if (number === 1) {
+		return number + " is not Prime"
+	}
+	for (var n = number-1 ; n > 1; n--) {
+		if (number % n === 0) {
+			return number + " is not Prime"
+		}
+	}
+return number + " is prime"
+}
+// 4-write a function that accepts two numbers as parameters and returns true if the two parameters have the same value , false if not
+// i compared the two parameters if they are equal i returned true if they are not i returned false
+function sameValue (a,b) {
+	return (a === b) ? true : false ;
+}
\ No newline at end of file

From 49a776a2a1b330f827e34aaee70c22749e95e924 Mon Sep 17 00:00:00 2001
From: Seif-Miehiar <Seif.Miehiar@gmail.com>
Date: Thu, 19 Mar 2020 23:21:28 +0100
Subject: [PATCH 15/41] warmUp7

---
 warmUp7.js | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 warmUp7.js

diff --git a/warmUp7.js b/warmUp7.js
new file mode 100644
index 0000000..bb45934
--- /dev/null
+++ b/warmUp7.js
@@ -0,0 +1,12 @@
+// 1-Choose the correct comparison operator to display "true", when: 5 is less than 7.
+//answer :
+
+//2- Write a function named helloWorld that:
+//takes 1 argument, a language code (e.g. "fr", "es", "en")
+//returns "Hello, World" for the given language, for atleast 3 languages. It should default to returning English.
+//ex: helloWorld('fr') ==> 'Bonjour tout le monde'
+//    helloWorld('es') ==> 'Hola, Mundo'
+//    helloWorld('') ==> 'Hello, World'
+
+//3- write a function to Reverse an array without use array.reverse() method:
+// ex: reverseArray([1,2,3]) ==> [3,2,1]

From 6ec52902076a70642276a502bd7944ad0a6f8634 Mon Sep 17 00:00:00 2001
From: MohamedAmine-Oueslati <wesamin1991@gmail.com>
Date: Fri, 20 Mar 2020 09:31:21 +0100
Subject: [PATCH 16/41] warmUp7 done

---
 warmUp7.js | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 warmUp7.js

diff --git a/warmUp7.js b/warmUp7.js
new file mode 100644
index 0000000..5d6d766
--- /dev/null
+++ b/warmUp7.js
@@ -0,0 +1,35 @@
+// 1-Choose the correct comparison operator to display "true", when: 5 is less than 7.
+//answer :
+
+console.log (5 < 7) ;
+
+//2- Write a function named helloWorld that:
+//takes 1 argument, a language code (e.g. "fr", "es", "en")
+//returns "Hello, World" for the given language, for atleast 3 languages. It should default to returning English.
+//ex: helloWorld('fr') ==> 'Bonjour tout le monde'
+//    helloWorld('es') ==> 'Hola, Mundo'
+//    helloWorld('') ==> 'Hello, World'
+function helloWorld (code) {
+	if (code === "fr") {
+		return 'Bonjour tout le monde' ;
+	}
+	else if (code === "es") {
+		return 'Hola, Mundo' ;
+	}
+	else if (code === "ar") {
+		return 'صباح الخير للجميع' ;
+	}
+	return 'Hello, World' ;
+}
+
+//3- write a function to Reverse an array without use array.reverse() method:
+// ex: reverseArray([1,2,3]) ==> [3,2,1]
+function Reverse (array) {
+   var j = 0 ;
+   var arr = [];
+	for (var i = array.length-1 ; i >= 0 ; i--) {
+           arr[j] = array[i] ;
+           j++;
+	}
+	return arr ;
+}
\ No newline at end of file

From 33c87b6bd9ca88f02531dee66c324e52b3e36853 Mon Sep 17 00:00:00 2001
From: hashem-buzer <hbuzer98@gmail.com>
Date: Fri, 20 Mar 2020 10:20:39 +0100
Subject: [PATCH 17/41] solved

---
 warmUp6.js | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/warmUp6.js b/warmUp6.js
index 7d74294..db0d319 100644
--- a/warmUp6.js
+++ b/warmUp6.js
@@ -2,9 +2,17 @@
 // Read carefully, focus and test your code :) ... /\ HaPPy HaCkInG /\
 
 // 1-Define a function called myTrueFun that returns true whenever its called.
-
+var myTrueFun = () => {
+  return true;
+};
 // 2- Define a function called color in which returns true if type of the input is string and returns false otherwise.
+var color = input => {
+  return typeof input === "string" ? true : false;
+};
 
 // 3-Write a JavaScript function that accepts a number as a parameter and check if the number is prime or not.
 
 // 4-write a function that accepts two numbers as parameters and returns true if the two parameters have the same value , false if not
+var same = (number1, number2) => {
+  return number1 === number2 ? true : false;
+};

From e30243f40077b543ad5467d28679ebcab039f6e9 Mon Sep 17 00:00:00 2001
From: hashem-buzer <hbuzer98@gmail.com>
Date: Fri, 20 Mar 2020 10:47:16 +0100
Subject: [PATCH 18/41] warmUp7 is solved

---
 warmUp7.js | 24 +++++++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

diff --git a/warmUp7.js b/warmUp7.js
index bb45934..3cf26ad 100644
--- a/warmUp7.js
+++ b/warmUp7.js
@@ -1,5 +1,5 @@
 // 1-Choose the correct comparison operator to display "true", when: 5 is less than 7.
-//answer :
+//answer : 5 < 7 ? true : false;
 
 //2- Write a function named helloWorld that:
 //takes 1 argument, a language code (e.g. "fr", "es", "en")
@@ -7,6 +7,28 @@
 //ex: helloWorld('fr') ==> 'Bonjour tout le monde'
 //    helloWorld('es') ==> 'Hola, Mundo'
 //    helloWorld('') ==> 'Hello, World'
+var helloWorld = lang => {
+  var lang = lang.toLowerCase();
+
+  return lang === ""
+    ? "Hello, World"
+    : lang === "fr"
+    ? "Bonjour tout le monde"
+    : lang === "es"
+    ? "Hola, Mundo"
+    : lang === "ar"
+    ? "صباح الخير"
+    : null;
+};
 
 //3- write a function to Reverse an array without use array.reverse() method:
 // ex: reverseArray([1,2,3]) ==> [3,2,1]
+var reverse = arr => {
+  var result = [];
+
+  for (var i = arr.length - 1; i >= 0; i--) {
+    result.push(arr[i]);
+  }
+
+  return result;
+};

From 69e466b56ec53a012dc13b819bebda0ed79bed29 Mon Sep 17 00:00:00 2001
From: Seif-Miehiar <Seif.Miehiar@gmail.com>
Date: Sat, 21 Mar 2020 01:55:56 +0100
Subject: [PATCH 19/41] warmUp 8

---
 warmUp8.js | 8 ++++++++
 1 file changed, 8 insertions(+)
 create mode 100644 warmUp8.js

diff --git a/warmUp8.js b/warmUp8.js
new file mode 100644
index 0000000..11e4be0
--- /dev/null
+++ b/warmUp8.js
@@ -0,0 +1,8 @@
+// 1 - Write a function named objKey that take an object as a parameter and returns an array containing the keys of the object
+// objKey({name:'ahmed',age:20}) ==> ['name','age']
+
+// 2 - Write a function named objLength to get the length of a JavaScript object
+// objLength({name:'ahmed',age:20}) ==> 2
+
+// 3 - Write a function named objSort to sort an array of JavaScript objects based on the id
+// objSort([{id:2,value:50},{id:0,value:70},{id:1,value:40}]) ==> [{id:0,value:70},{id:1,value:40},{id:2,value:50}]

From c12c2588010cbdba1ae1487cd3d0803bf2ce8454 Mon Sep 17 00:00:00 2001
From: MohamedAmine-Oueslati <wesamin1991@gmail.com>
Date: Sat, 21 Mar 2020 10:05:41 +0100
Subject: [PATCH 20/41] warmUp8 done

---
 warmUp8.js | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 warmUp8.js

diff --git a/warmUp8.js b/warmUp8.js
new file mode 100644
index 0000000..54335a7
--- /dev/null
+++ b/warmUp8.js
@@ -0,0 +1,32 @@
+// 1 - Write a function named objKey that take an object as a parameter and returns an array containing the keys of the object
+// objKey({name:'ahmed',age:20}) ==> ['name','age']
+
+function objKey (obj) {
+		return Object.keys(obj) ;
+}
+
+// 2 - Write a function named objLength to get the length of a JavaScript object
+// objLength({name:'ahmed',age:20}) ==> 2
+function objLength (obj) {
+	var arr = [] ;
+	var i = 0 ;
+	for (var key in obj) {
+		arr[i] = obj.hasOwnProperty(key) ;
+		i++;
+	}
+    return arr.length ;
+}
+
+// 3 - Write a function named objSort to sort an array of JavaScript objects based on the id
+// objSort([{id:2,value:50},{id:0,value:70},{id:1,value:40}]) ==> [{id:0,value:70},{id:1,value:40},{id:2,value:50}]
+function objSort (array) {
+var arr = []
+    for (var j = 0 ; j < array.length ; j++) {
+	for (var i = 0 ; i < array.length ; i++) {
+		if ( array[i].id === j ) {
+			arr[j] = array[i] ;
+        }
+	}
+	}
+	return arr ;
+}
\ No newline at end of file

From 943001a98aadac6dd9c64a55cae59f40e27fede5 Mon Sep 17 00:00:00 2001
From: hashem-buzer <hbuzer98@gmail.com>
Date: Sat, 21 Mar 2020 11:12:11 +0100
Subject: [PATCH 21/41] =?UTF-8?q?warmUp8=20=E2=9C=94?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 warmUp8.js | 27 ++++++++++++++++++++++++++-
 1 file changed, 26 insertions(+), 1 deletion(-)

diff --git a/warmUp8.js b/warmUp8.js
index 11e4be0..62192ac 100644
--- a/warmUp8.js
+++ b/warmUp8.js
@@ -1,8 +1,33 @@
 // 1 - Write a function named objKey that take an object as a parameter and returns an array containing the keys of the object
 // objKey({name:'ahmed',age:20}) ==> ['name','age']
-
+var objKey = obj => {
+  return Object.keys(obj);
+};
 // 2 - Write a function named objLength to get the length of a JavaScript object
 // objLength({name:'ahmed',age:20}) ==> 2
+var objLength = obj => {
+  return Object.keys(obj).length;
+};
 
 // 3 - Write a function named objSort to sort an array of JavaScript objects based on the id
 // objSort([{id:2,value:50},{id:0,value:70},{id:1,value:40}]) ==> [{id:0,value:70},{id:1,value:40},{id:2,value:50}]
+
+var objSort = (array, track, newArr) => {
+  var track = track || 0;
+  var newArr = newArr || [];
+
+  if (newArr.length === array.length) {
+    return newArr;
+  }
+
+  for (var i = 0; i < array.length; i++) {
+    console.log(array[i].id, "the array element");
+
+    if (array[i].id === track) {
+      console.log(array[i], "the if array[i].id");
+      newArr.push(array[i]);
+    }
+  }
+
+  return objSort(array, ++track, newArr);
+};

From 688273ddf9484c898f62671ccf713b776d583b29 Mon Sep 17 00:00:00 2001
From: Seif-Miehiar <Seif.Miehiar@gmail.com>
Date: Mon, 23 Mar 2020 00:01:03 +0100
Subject: [PATCH 22/41] warmUp 9

---
 warmUp9.js | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 warmUp9.js

diff --git a/warmUp9.js b/warmUp9.js
new file mode 100644
index 0000000..b05ef52
--- /dev/null
+++ b/warmUp9.js
@@ -0,0 +1,34 @@
+// Style your code and explain it step by step before jumping to code :D
+// Read carefully, focus and test your code :) ... /\ HaPPy HaCkInG /\
+
+//1. Write a JavaScript function to check whether an `input` is an array or not
+// ex isArray([1,2])=>true
+//    isArray(5)=>false
+
+// **************** git status ****************
+// **************** git add fileName.js ****************
+// **************** git status ****************
+// **************** git commit -m "your message" ****************
+// **************** git status ****************
+// **************** git push origin master ****************
+
+//2-Write a JavaScript function to get the first n element of an array.
+//ex  first([1,2,3],1)=>[1]
+//    first([1,2,3,4]2)=>[1,2]
+
+// **************** git status ****************
+// **************** git add fileName.js ****************
+// **************** git status ****************
+// **************** git commit -m "your message" ****************
+// **************** git status ****************
+// **************** git push origin master ****************
+
+//3- Write a JavaScript function to convert an object into a list of `[key, value]` pairs
+//ex: convert({name:'ahmed',age:20})=>[['name','ahmed'],['age', 20]]
+
+// **************** git status ****************
+// **************** git add fileName.js ****************
+// **************** git status ****************
+// **************** git commit -m "your message" ****************
+// **************** git status ****************
+// **************** git push origin master ****************

From 1d98b594a1be2c47643442b192b76038380f4c65 Mon Sep 17 00:00:00 2001
From: MohamedAmine-Oueslati <wesamin1991@gmail.com>
Date: Mon, 23 Mar 2020 10:10:22 +0100
Subject: [PATCH 23/41] warmUp9 done

---
 warmUp9.js | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 warmUp9.js

diff --git a/warmUp9.js b/warmUp9.js
new file mode 100644
index 0000000..2047e01
--- /dev/null
+++ b/warmUp9.js
@@ -0,0 +1,50 @@
+// Style your code and explain it step by step before jumping to code :D
+// Read carefully, focus and test your code :) ... /\ HaPPy HaCkInG /\
+
+//1. Write a JavaScript function to check whether an `input` is an array or not
+// ex isArray([1,2])=>true
+//    isArray(5)=>false
+// i used the isArray method to determine whether the passed value is an Array or not
+function isArray(arr) {
+	return (Array.isArray(arr) );
+}
+
+// **************** git status ****************
+// **************** git add fileName.js ****************
+// **************** git status ****************
+// **************** git commit -m "your message" ****************
+// **************** git status ****************
+// **************** git push origin master ****************
+
+//2-Write a JavaScript function to get the first n element of an array.
+//ex  first([1,2,3],1)=>[1]
+//    first([1,2,3,4]2)=>[1,2]
+// i used a for loop for my new array to put every element in the passed array to my new array until i reach the index num-1
+function first (array,num) {
+	var arr = [] ;
+	for(var i = 0 ; i < num ; i++) {
+		arr[i] = array[i] ;
+	}
+	return arr ;
+}
+
+// **************** git status ****************
+// **************** git add fileName.js ****************
+// **************** git status ****************
+// **************** git commit -m "your message" ****************
+// **************** git status ****************
+// **************** git push origin master ****************
+
+//3- Write a JavaScript function to convert an object into a list of `[key, value]` pairs
+//ex: convert({name:'ahmed',age:20})=>[['name','ahmed'],['age', 20]]
+// i used the Object.entries method to put every key and his value in a new array
+function convert(obj) {
+	var arr = Object.entries(obj)
+	return arr;
+}
+// **************** git status ****************
+// **************** git add fileName.js ****************
+// **************** git status ****************
+// **************** git commit -m "your message" ****************
+// **************** git status ****************
+// **************** git push origin master ****************

From a6816108d0f3c2680560f0e5cbe1e66614e40ed0 Mon Sep 17 00:00:00 2001
From: hashem-buzer <hbuzer98@gmail.com>
Date: Mon, 23 Mar 2020 11:23:31 +0100
Subject: [PATCH 24/41] =?UTF-8?q?warmUp9=20=E2=9C=94?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 warmUp9.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/warmUp9.js b/warmUp9.js
index b05ef52..de8a0b0 100644
--- a/warmUp9.js
+++ b/warmUp9.js
@@ -5,6 +5,7 @@
 // ex isArray([1,2])=>true
 //    isArray(5)=>false
 
+var isArray = array => (Array.isArray(array) ? true : false);
 // **************** git status ****************
 // **************** git add fileName.js ****************
 // **************** git status ****************
@@ -15,6 +16,7 @@
 //2-Write a JavaScript function to get the first n element of an array.
 //ex  first([1,2,3],1)=>[1]
 //    first([1,2,3,4]2)=>[1,2]
+var first = (arr, n) => arr.splice(0, n);
 
 // **************** git status ****************
 // **************** git add fileName.js ****************

From 0e47aea7be29872390744ebf393e4da84d716048 Mon Sep 17 00:00:00 2001
From: Seif-Miehiar <Seif.Miehiar@gmail.com>
Date: Mon, 23 Mar 2020 21:43:57 +0100
Subject: [PATCH 25/41] warmUp 10

---
 warmUp10.js | 28 ++++++++++++++++++++++++++++
 warmUp9.js  |  2 +-
 2 files changed, 29 insertions(+), 1 deletion(-)
 create mode 100644 warmUp10.js

diff --git a/warmUp10.js b/warmUp10.js
new file mode 100644
index 0000000..0773bc6
--- /dev/null
+++ b/warmUp10.js
@@ -0,0 +1,28 @@
+// Style your code and explain it step by step before jumping to code :D
+// Read carefully, focus and test your code :) ... /\ HaPPy HaCkInG /\
+
+// **************** git status ****************
+// **************** git add fileName.js ****************
+// **************** git status ****************
+// **************** git commit -m "your message" ****************
+// **************** git status ****************
+// **************** git push origin master ****************
+
+// 1- Using recursion Write a JavaScript program to find the greatest common divisor (gcd) of two positive numbers.
+
+// **************** git status ****************
+// **************** git add fileName.js ****************
+// **************** git status ****************
+// **************** git commit -m "your message" ****************
+// **************** git status ****************
+// **************** git push origin master ****************
+
+// 2-Write a function called sum that accepts two numbers as parameters, and sum them together but without suming them togther directly
+//you can only add one at each summetion, you'll need to use recursion in this.
+
+// **************** git status ****************
+// **************** git add fileName.js ****************
+// **************** git status ****************
+// **************** git commit -m "your message" ****************
+// **************** git status ****************
+// **************** git push origin master ****************
diff --git a/warmUp9.js b/warmUp9.js
index b05ef52..ae2bad8 100644
--- a/warmUp9.js
+++ b/warmUp9.js
@@ -14,7 +14,7 @@
 
 //2-Write a JavaScript function to get the first n element of an array.
 //ex  first([1,2,3],1)=>[1]
-//    first([1,2,3,4]2)=>[1,2]
+//    first([1,2,3,4],2)=>[1,2]
 
 // **************** git status ****************
 // **************** git add fileName.js ****************

From 124d3650adfc28718830cb3fdab6976c1b676cc1 Mon Sep 17 00:00:00 2001
From: MohamedAmine-Oueslati <wesamin1991@gmail.com>
Date: Tue, 24 Mar 2020 09:41:52 +0100
Subject: [PATCH 26/41] warmUp10 done

---
 warmUp10.js | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 warmUp10.js

diff --git a/warmUp10.js b/warmUp10.js
new file mode 100644
index 0000000..62410a0
--- /dev/null
+++ b/warmUp10.js
@@ -0,0 +1,49 @@
+// Style your code and explain it step by step before jumping to code :D
+// Read carefully, focus and test your code :) ... /\ HaPPy HaCkInG /\
+
+// **************** git status ****************
+// **************** git add fileName.js ****************
+// **************** git status ****************
+// **************** git commit -m "your message" ****************
+// **************** git status ****************
+// **************** git push origin master ****************
+
+// 1- Using recursion Write a JavaScript program to find the greatest common divisor (gcd) of two positive numbers.
+
+// **************** git status ****************
+// **************** git add fileName.js ****************
+// **************** git status ****************
+// **************** git commit -m "your message" ****************
+// **************** git status ****************
+// **************** git push origin master ****************
+
+// in mathematics one of the methods to calculate the gcd of two numbers is to keep dividing the smallest number by the rest of the last division until the rest reach 0
+// then the last rest not equal to 0 will be the gcd ... thats what i did in this function i kept calling it again by putting num2 as first parameter 
+// and the rest of the last division as second parameter ... until i reach my condition (rest equal to 0) then i returned the last rest not equal to 0
+
+function gcd (num1,num2) {
+    if (num1 % num2 === 0) {
+    	return num2
+    }
+	return gcd(num2, num1 % num2);
+}
+
+
+// 2-Write a function called sum that accepts two numbers as parameters, and sum them together but without suming them togther directly
+//you can only add one at each summetion, you'll need to use recursion in this.
+
+// **************** git status ****************
+// **************** git add fileName.js ****************
+// **************** git status ****************
+// **************** git commit -m "your message" ****************
+// **************** git status ****************
+// **************** git push origin master ****************
+
+// i used recursion in this function to decrease one from number 2 every time i call the function and add one to the result until num2 become equal to 0
+// then the result will be equal to num2 (by adding 1 , num2 times) before i added num1 to it ... to get num1 + num2
+
+function sum(num1, num2) {
+	if (num2 === 0)
+		return num1 ;
+	return 1 + sum (num1,num2-1);
+}
\ No newline at end of file

From 2e45991693dd03c59b3e2910a21acd7a97fa8a3a Mon Sep 17 00:00:00 2001
From: hashem-buzer <hbuzer98@gmail.com>
Date: Wed, 25 Mar 2020 09:03:41 +0100
Subject: [PATCH 27/41] warmUp11

---
 warmUp11.js | 8 ++++++++
 1 file changed, 8 insertions(+)
 create mode 100644 warmUp11.js

diff --git a/warmUp11.js b/warmUp11.js
new file mode 100644
index 0000000..902ecca
--- /dev/null
+++ b/warmUp11.js
@@ -0,0 +1,8 @@
+// 1-Create arrays in the global scope consisting of strings that represent:
+// -name of females in your class
+// -name of males in your class
+// -name of your class instructors
+
+// 2-write a function that takes an array as an argument and returns the element that is located in the middle of that array.
+
+// 3-Change all the numbers in the array to be multiplied by two for even indexes.

From e462924cc75773280aeb32556782920c16791f3d Mon Sep 17 00:00:00 2001
From: Houda Rouaissi <35735199+HoudaRs@users.noreply.github.com>
Date: Wed, 25 Mar 2020 09:10:20 +0100
Subject: [PATCH 28/41] Update warmUp5.js

---
 warmUp5.js | 23 +----------------------
 1 file changed, 1 insertion(+), 22 deletions(-)

diff --git a/warmUp5.js b/warmUp5.js
index d14047b..cb26cd6 100644
--- a/warmUp5.js
+++ b/warmUp5.js
@@ -3,33 +3,16 @@
 // - returns whichever number is the greater (higher) number.
 // ex greaterNum(5, 10) => "The greater number of 5 and 10 is 10."
 
-var greaterNum = (num1, num2) => {
-  return num1 > num2 ? num1 : num1 < num2 ? num2 : "equal";
-};
+
 // 2) Write a function named isEven using  for loop that
 // -  iterate from x to y.
 // -  return array contain the even values,
 //  ex:  isEven(1,10) => [2,4,6,8,10]
 
-var isEven = (x, y) => {
-  var array = [];
-
-  for (var i = x; i < y; i++) {
-    i % 2 === 0 ? array.push(i) : null;
-  }
-  return array;
-};
 //3) write a function named sum that
 // - Use a while loop to add up the numbers from x to y.
 // ex sum(1,5) => 15
-var sum = (x, y) => {
-  var result = 0;
 
-  for (var i = x; i <= y; i++) {
-    result += i;
-  }
-  return result;
-};
 
 //4) Write a function named factorial that
 // -  Use Recursion to calculate the factorial of a number
@@ -37,10 +20,6 @@ var sum = (x, y) => {
 // - 5! = 5*4*3*2*1 = 120
 // ex : factorial(5) => 120
 
-var factorial = n => {
-  return n === 0 ? 1 : n * factorial(n - 1);
-};
-
 //5) write a function named decimals
 //- the function will format a number up to specified decimal places
 //- the function will return a string

From 1e0ee781b93372bec856a5650f3ddd7d9aad5ca5 Mon Sep 17 00:00:00 2001
From: Houda Rouaissi <35735199+HoudaRs@users.noreply.github.com>
Date: Wed, 25 Mar 2020 09:10:47 +0100
Subject: [PATCH 29/41] Update warmUp8.js

---
 warmUp8.js | 27 +--------------------------
 1 file changed, 1 insertion(+), 26 deletions(-)

diff --git a/warmUp8.js b/warmUp8.js
index 62192ac..11e4be0 100644
--- a/warmUp8.js
+++ b/warmUp8.js
@@ -1,33 +1,8 @@
 // 1 - Write a function named objKey that take an object as a parameter and returns an array containing the keys of the object
 // objKey({name:'ahmed',age:20}) ==> ['name','age']
-var objKey = obj => {
-  return Object.keys(obj);
-};
+
 // 2 - Write a function named objLength to get the length of a JavaScript object
 // objLength({name:'ahmed',age:20}) ==> 2
-var objLength = obj => {
-  return Object.keys(obj).length;
-};
 
 // 3 - Write a function named objSort to sort an array of JavaScript objects based on the id
 // objSort([{id:2,value:50},{id:0,value:70},{id:1,value:40}]) ==> [{id:0,value:70},{id:1,value:40},{id:2,value:50}]
-
-var objSort = (array, track, newArr) => {
-  var track = track || 0;
-  var newArr = newArr || [];
-
-  if (newArr.length === array.length) {
-    return newArr;
-  }
-
-  for (var i = 0; i < array.length; i++) {
-    console.log(array[i].id, "the array element");
-
-    if (array[i].id === track) {
-      console.log(array[i], "the if array[i].id");
-      newArr.push(array[i]);
-    }
-  }
-
-  return objSort(array, ++track, newArr);
-};

From 542e878735fb7d381c1d2089efdfe92c5a97bbd6 Mon Sep 17 00:00:00 2001
From: Houda Rouaissi <35735199+HoudaRs@users.noreply.github.com>
Date: Wed, 25 Mar 2020 09:11:12 +0100
Subject: [PATCH 30/41] Update warmUp4.js

---
 warmUp4.js | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/warmUp4.js b/warmUp4.js
index 5f4dcd3..6db784a 100644
--- a/warmUp4.js
+++ b/warmUp4.js
@@ -1,12 +1,7 @@
 // 1-write a function that returns the product of any number by 3.
-function product(number) {
-  return number * 3;
-}
 
 // 2-complete the following function multiply to return the result of multiplying of x and y
-function multiply(n1, n2) {
-  return n1 * n2;
-}
+
 // 3-complete the following function that Convert Fahrenheit to Celsius if the module for converting is
 // 	(5/9) * (fahrenheit-32);
 

From aeafcae099c109352537fd354383f16c4f73e1b7 Mon Sep 17 00:00:00 2001
From: Houda Rouaissi <35735199+HoudaRs@users.noreply.github.com>
Date: Wed, 25 Mar 2020 09:15:52 +0100
Subject: [PATCH 31/41] Update warmUp7.js

---
 warmUp7.js | 21 ---------------------
 1 file changed, 21 deletions(-)

diff --git a/warmUp7.js b/warmUp7.js
index 3cf26ad..2bcd0d4 100644
--- a/warmUp7.js
+++ b/warmUp7.js
@@ -7,28 +7,7 @@
 //ex: helloWorld('fr') ==> 'Bonjour tout le monde'
 //    helloWorld('es') ==> 'Hola, Mundo'
 //    helloWorld('') ==> 'Hello, World'
-var helloWorld = lang => {
-  var lang = lang.toLowerCase();
 
-  return lang === ""
-    ? "Hello, World"
-    : lang === "fr"
-    ? "Bonjour tout le monde"
-    : lang === "es"
-    ? "Hola, Mundo"
-    : lang === "ar"
-    ? "صباح الخير"
-    : null;
-};
 
 //3- write a function to Reverse an array without use array.reverse() method:
 // ex: reverseArray([1,2,3]) ==> [3,2,1]
-var reverse = arr => {
-  var result = [];
-
-  for (var i = arr.length - 1; i >= 0; i--) {
-    result.push(arr[i]);
-  }
-
-  return result;
-};

From 653380f0d3cfd04593d0015d0f827730dc1ad99a Mon Sep 17 00:00:00 2001
From: Houda Rouaissi <35735199+HoudaRs@users.noreply.github.com>
Date: Wed, 25 Mar 2020 09:16:42 +0100
Subject: [PATCH 32/41] Update warmUp9.js

---
 warmUp9.js | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/warmUp9.js b/warmUp9.js
index 0536008..b2218c3 100644
--- a/warmUp9.js
+++ b/warmUp9.js
@@ -5,7 +5,6 @@
 // ex isArray([1,2])=>true
 //    isArray(5)=>false
 
-var isArray = array => (Array.isArray(array) ? true : false);
 // **************** git status ****************
 // **************** git add fileName.js ****************
 // **************** git status ****************
@@ -15,12 +14,8 @@ var isArray = array => (Array.isArray(array) ? true : false);
 
 //2-Write a JavaScript function to get the first n element of an array.
 //ex  first([1,2,3],1)=>[1]
-<<<<<<< HEAD
 //    first([1,2,3,4]2)=>[1,2]
-var first = (arr, n) => arr.splice(0, n);
-=======
-//    first([1,2,3,4],2)=>[1,2]
->>>>>>> 0e47aea7be29872390744ebf393e4da84d716048
+
 
 // **************** git status ****************
 // **************** git add fileName.js ****************

From eedf4d1da29beb7f6472f832fb846002ed7197b5 Mon Sep 17 00:00:00 2001
From: Houda Rouaissi <35735199+HoudaRs@users.noreply.github.com>
Date: Wed, 25 Mar 2020 09:18:50 +0100
Subject: [PATCH 33/41] warmUp 6

---
 warmUp6.js | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/warmUp6.js b/warmUp6.js
index db0d319..c481fcd 100644
--- a/warmUp6.js
+++ b/warmUp6.js
@@ -2,17 +2,11 @@
 // Read carefully, focus and test your code :) ... /\ HaPPy HaCkInG /\
 
 // 1-Define a function called myTrueFun that returns true whenever its called.
-var myTrueFun = () => {
-  return true;
-};
+
 // 2- Define a function called color in which returns true if type of the input is string and returns false otherwise.
-var color = input => {
-  return typeof input === "string" ? true : false;
-};
+
 
 // 3-Write a JavaScript function that accepts a number as a parameter and check if the number is prime or not.
 
 // 4-write a function that accepts two numbers as parameters and returns true if the two parameters have the same value , false if not
-var same = (number1, number2) => {
-  return number1 === number2 ? true : false;
-};
+

From 2fbd6e787e788738220a5a2b2e251fcd52894d11 Mon Sep 17 00:00:00 2001
From: MohamedAmine-Oueslati <wesamin1991@gmail.com>
Date: Wed, 25 Mar 2020 10:09:11 +0100
Subject: [PATCH 34/41] warmUp11 done

---
 warmUp11.js | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 warmUp11.js

diff --git a/warmUp11.js b/warmUp11.js
new file mode 100644
index 0000000..854748d
--- /dev/null
+++ b/warmUp11.js
@@ -0,0 +1,23 @@
+// 1-Create arrays in the global scope consisting of strings that represent:
+// -name of females in your class
+// -name of males in your class
+// -name of your class instructors
+var femalesName = ["Ranoua", "Khaoula", "Reem", "Hiba", "Amal"];
+var malesName = ["Bassem", "Charaf", "Ahmed", "Moez", "Oussama", "Firas"]
+var classInstructors = ["Farouk", "Omar", "Hashem", "Seif", "Houda", "Dhia", "Insaf"]
+
+// 2-write a function that takes an array as an argument and returns the element that is located in the middle of that array.
+function middle (array) {
+	var x = array.length ;
+    if (x % 2 === 0) {
+   	    return false
+    }
+    return array[(x-1)/2];
+}
+// 3-Change all the numbers in the array to be multiplied by two for even indexes.
+function multiplyEven (array) {
+	for (var i = 0 ; i < array.length ; i+=2) {
+		array[i] *= 2 ;
+	}
+	return array ;
+}
\ No newline at end of file

From 61b0662bb14ae4fe1668c5e0f12461a2bba0362d Mon Sep 17 00:00:00 2001
From: Mohamed-Dhia <56113399+mohamed-Dhia@users.noreply.github.com>
Date: Thu, 26 Mar 2020 09:02:12 +0100
Subject: [PATCH 35/41] warmUp12

---
 warmUp12.js | 6 ++++++
 1 file changed, 6 insertions(+)
 create mode 100644 warmUp12.js

diff --git a/warmUp12.js b/warmUp12.js
new file mode 100644
index 0000000..f4dc26e
--- /dev/null
+++ b/warmUp12.js
@@ -0,0 +1,6 @@
+// 1-Write a function that takes a string as an input and returns the reverse of each letter
+//followed by a number starting from zero(solve it using while loop).
+// example:    reverseStr('hello'); "o0l1l2e3h4"
+
+// 2-write a function that takes array of strings and returns an array of the strings that have the same length
+// example :  ['hi','hello','welcome','hy'] == > ["hi","hy"]

From b4507e76f65e0b36afe4a3346e042d7ec0acd2c6 Mon Sep 17 00:00:00 2001
From: MohamedAmine-Oueslati <wesamin1991@gmail.com>
Date: Thu, 26 Mar 2020 10:18:16 +0100
Subject: [PATCH 36/41] warmUp12 done

---
 warmUp12.js | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 warmUp12.js

diff --git a/warmUp12.js b/warmUp12.js
new file mode 100644
index 0000000..99a0ca4
--- /dev/null
+++ b/warmUp12.js
@@ -0,0 +1,31 @@
+// 1-Write a function that takes a string as an input and returns the reverse of each letter
+//followed by a number starting from zero(solve it using while loop).
+// example:    reverseStr('hello'); "o0l1l2e3h4"
+function reverseStr(str) {
+	var array = [] ;
+	var j = 0 ;
+	var arr = str.split('')
+    var i = arr.length - 1 ;
+    while (i >= 0 ) {
+        array[j] = arr[i]
+        array[j+1] = j/2 ;
+        i--;
+        j += 2;
+    }
+    return array.join('') ;
+}
+// 2-write a function that takes array of strings and returns an array of the strings that have the same length
+// example :  ['hi','hello','welcome','hy'] == > ["hi","hy"]
+function sameLength (arr){
+	var array = [] ;
+    for (var i = 0 ; i < arr.length ; i++) {
+    	    for (var j = i + 1 ; j < arr.length ; j++) {
+                if ( arr[i].length === arr[j].length ) {
+    		        array[0] = arr[i];
+    		        array.push(arr[j]);
+
+                }    
+            }
+    }
+    return array ;
+}

From 344f7894548bc89b02d026c11b141ac1d7b023ce Mon Sep 17 00:00:00 2001
From: Seif-Miehiar <Seif.Miehiar@gmail.com>
Date: Fri, 27 Mar 2020 09:06:39 +0100
Subject: [PATCH 37/41] warmUp 13

---
 warmUp13.js | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 warmUp13.js

diff --git a/warmUp13.js b/warmUp13.js
new file mode 100644
index 0000000..12ff169
--- /dev/null
+++ b/warmUp13.js
@@ -0,0 +1,12 @@
+// Style your code and explain it step by step before jumping to code :D
+// Read carefully, focus and test your code :) ... /\ HaPPy HaCkInG /\
+
+// 1-implement the function mult that takes a single parameter n, and computes the multiplication of all integers up to n
+//starting from 0, e.g.:
+// mult(3); // => 6
+// mult(4); // => 24
+
+// 2- Use a while loop to build a single string with the numbers 1 through n
+// separated by the number next to the current number.
+//Have it return the new string.
+// eg= 1 2 2 3 3 4 4 5 5 6 6 ...

From abdfde3700c677e1d97d6eed7e593edc25499750 Mon Sep 17 00:00:00 2001
From: MohamedAmine-Oueslati <wesamin1991@gmail.com>
Date: Fri, 27 Mar 2020 09:52:46 +0100
Subject: [PATCH 38/41] warmUp13 done

---
 warmUp13.js | 41 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 warmUp13.js

diff --git a/warmUp13.js b/warmUp13.js
new file mode 100644
index 0000000..c7e54d1
--- /dev/null
+++ b/warmUp13.js
@@ -0,0 +1,41 @@
+// Style your code and explain it step by step before jumping to code :D
+// Read carefully, focus and test your code :) ... /\ HaPPy HaCkInG /\
+
+// 1-implement the function mult that takes a single parameter n, and computes the multiplication of all integers up to n
+//starting from 0, e.g.:
+// mult(3); // => 6
+// mult(4); // => 24
+
+// i used a for loop so the counter variable i declared keeps increasing by 1 and multply all integers from 1 up to n
+
+function mult (n) {
+	if (n === 0) {
+		return 0 ;
+	}
+	var total = 1 ;
+	for (var i = 1 ; i <= n ; i++) {
+		total *= i
+	}
+	return total ;
+}
+
+// 2- Use a while loop to build a single string with the numbers 1 through n
+// separated by the number next to the current number.
+//Have it return the new string.
+// eg= 1 2 2 3 3 4 4 5 5 6 6 ...
+
+// i declared an array to put my values in it ... then i used join(' ') to transform it to a string with space between each two characters
+//i added two counter variables j and i ... j moves from index to index+2 ... and i the value assigned to each index 
+function buildString (n) {
+	var i = 1 ;
+	var j = 1 ;
+	var arr = [] ;
+    arr[0] = 1 ;
+	while (i < n) {
+		arr[j] = i + 1 ;
+		arr[j+1] = i + 1 ;
+		i++;
+		j += 2 ;
+	}
+	return arr.join(' ') ;
+}
\ No newline at end of file

From f7116e6bad742d738191118e716e7a8f26aa143c Mon Sep 17 00:00:00 2001
From: Seif-Miehiar <Seif.Miehiar@gmail.com>
Date: Sat, 28 Mar 2020 09:01:39 +0100
Subject: [PATCH 39/41] warmUp 14

---
 warmUp14.js | 9 +++++++++
 1 file changed, 9 insertions(+)
 create mode 100644 warmUp14.js

diff --git a/warmUp14.js b/warmUp14.js
new file mode 100644
index 0000000..012d499
--- /dev/null
+++ b/warmUp14.js
@@ -0,0 +1,9 @@
+// Style your code and explain it step by step before jumping to code :D
+// Read carefully, focus and test your code :) ... /\ HaPPy HaCkInG /\
+
+//create a function isSubset that should take two arrays and determine whether the second array is a subset of the first array.
+//For example:
+
+// array: [ 1, 2, 3, 4 ], sub:[ 2, 3, 4 ] => true
+// array: [ 2, 2, 2, 3, 4 ], sub:[ 2, 4, 3 ] => true
+// array: [ 2, 3, 3, "a" ],  sub:[ 3, 3, 3, "a" ] => false

From e798081435fe7ecc6c54dca9778e40396f9bf70f Mon Sep 17 00:00:00 2001
From: MohamedAmine-Oueslati <wesamin1991@gmail.com>
Date: Sat, 28 Mar 2020 10:19:22 +0100
Subject: [PATCH 40/41] warmUp14 solved

---
 warmUp14.js | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 warmUp14.js

diff --git a/warmUp14.js b/warmUp14.js
new file mode 100644
index 0000000..5b1cac7
--- /dev/null
+++ b/warmUp14.js
@@ -0,0 +1,27 @@
+// Style your code and explain it step by step before jumping to code :D
+// Read carefully, focus and test your code :) ... /\ HaPPy HaCkInG /\
+
+//create a function isSubset that should take two arrays and determine whether the second array is a subset of the first array.
+//For example:
+
+// array: [ 1, 2, 3, 4 ], sub:[ 2, 3, 4 ] => true
+// array: [ 2, 2, 2, 3, 4 ], sub:[ 2, 4, 3 ] => true
+// array: [ 2, 3, 3, "a" ],  sub:[ 3, 3, 3, "a" ] => false
+
+// i used 2 loop 1 for array and 1 for sup to check if each element in sub is found in array ... if its found i delete it and i exit the loop with (break)
+// if the loop was not broken thats mean the element was not found in array so i return false ... otherwise i return true
+function isSubset (array,sub) {
+	var j = 0 ;
+	for (var i = 0 ; i < sub.length ; i++) {
+		for (var j = 0 ; j < array.length ; j++) {
+			if ( sub[i] === array[j])  {
+				delete array[j] ;
+				break;
+		    }
+		}
+		if (j === array.length) {
+			return false
+		}
+	}
+	return true
+}
\ No newline at end of file

From dd8f7c907c09e78ab760f45b3c1ccbad6ed25ad2 Mon Sep 17 00:00:00 2001
From: MohamedAmine-Oueslati <wesamin1991@gmail.com>
Date: Sat, 28 Mar 2020 10:22:24 +0100
Subject: [PATCH 41/41] warmUp14 solved

---
 warmUp14.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/warmUp14.js b/warmUp14.js
index 5b1cac7..3666042 100644
--- a/warmUp14.js
+++ b/warmUp14.js
@@ -8,7 +8,7 @@
 // array: [ 2, 2, 2, 3, 4 ], sub:[ 2, 4, 3 ] => true
 // array: [ 2, 3, 3, "a" ],  sub:[ 3, 3, 3, "a" ] => false
 
-// i used 2 loop 1 for array and 1 for sup to check if each element in sub is found in array ... if its found i delete it and i exit the loop with (break)
+// i used 2 loops 1 for array and 1 for sub to check if each element in sub is found in array ... if its found i delete it and i exit the loop with (break)
 // if the loop was not broken thats mean the element was not found in array so i return false ... otherwise i return true
 function isSubset (array,sub) {
 	var j = 0 ;