Dhia Fattoum

warmUp10.js

@@ -0,0 +1,37 @@
+// 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.
+function sum (x,y) {
+	if ( x === y ) {
+		return x;
+	}
+	else if (x>y){
+	return 	sum(y,x);
+	}
+	else {
+return x + sum (x,y-1)
+}
+// **************** git status ****************
+// **************** git add fileName.js ****************
+// **************** git status ****************
+// **************** git commit -m "your message" ****************
+// **************** git status ****************
+// **************** git push origin master ****************

warmUp11.js

@@ -0,0 +1,15 @@
+// 1-Create arrays in the global scope consisting of strings that represent:
+var arrays = {
+nameOfFemales : 'mariem',   
+nameOfMales : "Firas",
+nameOfYourClassInstructors : "insaf",
+};
+// -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.
+function middle (arr) {
+return arr[1] ; 
+}
+// 3-Change all the numbers in the array to be multiplied by two for even indexes.

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"]

warmUp13.js

@@ -0,0 +1,19 @@
+// 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
+ function mult (n) {
+ 	var x=1;
+ 	while ( n > 0){
+ 		x=x*n;
+ 		n=n-1;
+ 	}
+ return x;
+ }
+// 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 ...

warmUp14.js

@@ -0,0 +1,17 @@
+// 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
+
+    function isSubsetOf(set, subset) {
+		for (i = 0; i < set.length; i++) {
+
+				return true;
+		}
+		return false;
+	}

warmUp2.js

@@ -0,0 +1,27 @@
+// 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
+}
+// 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'
+// repeatString('dog', 2); // => 'dog' + 'dog' => 'dogdog'
+// repeatString('dog', 3); // => 'dog' + 'dog' + 'dog' => 'dogdogdog'
+
+function repeatString(str, count) {
+  // TODO: your code here
+}

warmUp3.js

@@ -0,0 +1,19 @@
+// 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.

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.

warmUp5.js

@@ -0,0 +1,33 @@
+// 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]
+
+//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'
+//

warmUp6.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 /\
+
+// 1-Define a function called myTrueFun that returns true whenever its called.
+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.
+<<<<<<< HEAD
+function color(n){
+if ('n'){
+	return true ; 
+}
+else return false;
+}
+=======
+
+
+>>>>>>> eedf4d1da29beb7f6472f832fb846002ed7197b5
+// 3-Write a JavaScript function that accepts a number as a parameter and check if the number is prime or not.
+function JavaScript (n){
+if (n>1 , (n/n) && (n/1)){
+return true ;
+}
+return false ;
+} 
+// 4-write a function that accepts two numbers as parameters and returns true if the two parameters have the same value , false if not
+

warmUp7.js

@@ -0,0 +1,21 @@
+// 1-Choose the correct comparison operator to display "true", when: 5 is less than 7.
+<<<<<<< HEAD
+//answer :
+   5<7 ;
+=======
+//answer : 5 < 7 ? true : false;
+
+>>>>>>> eedf4d1da29beb7f6472f832fb846002ed7197b5
+//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]
+function reserveAnArray(){
+	return reserveAnArray.reverse ;
+}

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}]

warmUp9.js

@@ -0,0 +1,38 @@
+// 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
+function JavaScript (input){
+	var = n
+	if (input == [n]) {
+      return true;
+}
+return false 
+}
+//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 =  (array, n) => {
+      if (array == 0) 
+      return  0;
+    if (n == 0) 
+      return array[0];
+    if (n < 0)
+      return [];
+    return array.slice(0, n);
+  };
+
+//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 ****************
+i need an extra love session  about the object and thnx <3