trouble shoot

arrays/exercises/part-one-arrays.js

@@ -1,5 +1,10 @@
 //Create an array called practiceFile with the following entry: 273.15
-
+let practiceFile = [273.15]
 //Use the bracket notation method to add "42" and "hello" to the array. Add these new items one at a time.  Print the array after each step to confirm the changes.
-
+practiceFile.push("42");
+console.log(practiceFile)
+practiceFile.push("hello");
+console.log(practiceFile);
 //Use a single .push() to add the following items: false, -4.6, and "87".  Print the array to confirm the changes.
+practiceFile.push(false,-4.6,"87");
+console.log(practiceFile)

arrays/exercises/part-three-arrays.js

@@ -3,7 +3,10 @@ let cargoHold = [1138, 'space suits', 'parrot', 'instruction manual', 'meal pack
 //Use splice to make the following changes to the cargoHold array. Be sure to print the array after each step to confirm your updates.
 
 //1) Insert the string 'keys' at index 3 without replacing any other entries.
-
+cargoHold.splice(3,0,'keys');
+console.log(cargoHold)
 //2) Remove ‘instruction manual’ from the array. (Hint: indexOf is helpful to avoid manually counting an index).
 
 //3) Replace the elements at indexes 2 - 4 with the items ‘cat’, ‘fob’, and ‘string cheese’.
+cargoHold.splice(2,3,'cat','fob','string cheese');
+console.log(cargoHold);

arrays/exercises/part-two-arrays.js

@@ -1,11 +1,18 @@
 let cargoHold = ['oxygen tanks', 'space suits', 'parrot', 'instruction manual', 'meal packs', 'slinky', 'security blanket'];
 
 //1) Use bracket notation to replace ‘slinky’ with ‘space tether’. Print the array to confirm the change.
-
+cargoHold[5] = 'space tether'
+console.log(cargoHold)
 //2) Remove the last item from the array with pop. Print the element removed and the updated array.
-
+console.log(cargoHold.pop());
+console.log(cargoHold);
 //3) Remove the first item from the array with shift. Print the element removed and the updated array.
-
+console.log(cargoHold.shift());
+console.log(cargoHold);
 //4) Unlike pop and shift, push and unshift require arguments inside the (). Add the items 1138 and ‘20 meters’ to the the array - the number at the start and the string at the end. Print the updated array to confirm the changes.
-
+cargoHold.push('20 meters')
+console.log(cargoHold);
+cargoHold.unshift(1138)
+con
 //5) Use a template literal to print the final array and its length.
+console.log(`The array ${cargoHold} has a length of ${cargoHold.length}.`);

arrays/studio/array-string-conversion/array-testing.js

@@ -9,27 +9,24 @@ strings = [protoArray1, protoArray2, protoArray3, protoArray4];
 function reverseCommas() {
 	//TODO: 1. create and instantiate your variables.
 	let check;
-	let output;
+	let output = protoArray1.split(",").reverse().join(",");
 	//TODO: 2. write the code required for this step
-
 	//NOTE: For the code to run properly, you must return your output.  this needs to be the final line of code within the function's { }.
 	return output;
 }
 
 //3)
 function semiDash() {
 	let check;
-	let output;
+	let output = protoArray2.split(";").sort().join("-");
 //TODO: write the code required for this step
-
-
 	return output;
 }
 
 //4)
 function reverseSpaces() {
 	let check;
-	let output;
+	let output = protoArray3.split(" ").sort().reverse().join(" ");
   //TODO: write the code required for this step
 
 	return output;
@@ -38,7 +35,7 @@ function reverseSpaces() {
 //5)
 function commaSpace() {
 	let check;
-	let output;
+	let output = protoArray4.split(", ").reverse().join(", ");
 	//TODO: write the code required for this step
 
 	return output;
@@ -51,4 +48,4 @@ module.exports = {
 	semiDash: semiDash, 
 	reverseSpaces : reverseSpaces,
 	commaSpace : commaSpace
-};
+};