fix(curriculum): Consolidated comments for JavaScript Algorithms and Data Structures challenges - part 3 of 4 (#38264)

* fix: remove example code from challenge seed

* fix: remove declaration from solution

* fix: added sum variable back in

* fix: reverted description back to original version

* fix: added examples to description section

* fix: added complete sentence

Co-Authored-By: Oliver Eyton-Williams <ojeytonwilliams@gmail.com>

* fix: corrected typo

Co-Authored-By: Manish Giri <manish.giri.me@gmail.com>

* fix: reverted to original desc with formatted code

* fix: removed unnecessary code example from description section

Co-Authored-By: Oliver Eyton-Williams <ojeytonwilliams@gmail.com>

* fix: failiing test on iterate through array with for loop

* fix: changed to Only change this line

Co-Authored-By: Manish Giri <manish.giri.me@gmail.com>

Co-authored-by: Oliver Eyton-Williams <ojeytonwilliams@gmail.com>
Co-authored-by: Manish Giri <manish.giri.me@gmail.com>
Co-authored-by: moT01 <tmondloch01@gmail.com>

curriculum/challenges/english/02-javascript-algorithms-and-data-structures/functional-programming/apply-functional-programming-to-convert-strings-to-url-slugs.english.md

@@ -58,8 +58,6 @@ function urlSlug(title) {
 
 }
 // Only change code above this line
-
-var winterComing = urlSlug(globalTitle); // Should be "winter-is-coming"
 ```
 
 </div>

curriculum/challenges/english/02-javascript-algorithms-and-data-structures/functional-programming/avoid-mutations-and-side-effects-using-functional-programming.english.md

@@ -25,10 +25,10 @@ Fill in the code for the function <code>incrementer</code> so it returns the val
 
 ```yml
 tests:
-  - text: Your function <code>incrementer</code> should not change the value of <code>fixedValue</code>.
+  - text: Your function <code>incrementer</code> should not change the value of <code>fixedValue</code> (which is <code>4</code>).
     testString: assert(fixedValue === 4);
   - text: Your <code>incrementer</code> function should return a value that is one larger than the <code>fixedValue</code> value.
-    testString: assert(newValue === 5);
+    testString: const newValue = incrementer(); assert(newValue === 5);
 
 ```
 
@@ -49,9 +49,6 @@ function incrementer () {
 
   // Only change code above this line
 }
-
-var newValue = incrementer(); // Should equal 5
-console.log(fixedValue); // Should print 4
 ```
 
 </div>
@@ -69,8 +66,6 @@ var fixedValue = 4
 function incrementer() {
   return fixedValue + 1
 }
-
-var newValue = incrementer(); // Should equal 5
 ```
 
 </section>

curriculum/challenges/english/02-javascript-algorithms-and-data-structures/functional-programming/pass-arguments-to-avoid-external-dependence-in-a-function.english.md

@@ -26,12 +26,12 @@ Write the <code>incrementer</code> function so it takes an argument, and then in
 
 ```yml
 tests:
-  - text: Your function <code>incrementer</code> should not change the value of <code>fixedValue</code>.
+  - text: Your function <code>incrementer</code> should not change the value of <code>fixedValue</code> (which is <code>4</code>).
     testString: assert(fixedValue === 4);
-  - text: Your <code>incrementer</code> function should take a parameter.
+  - text: Your <code>incrementer</code> function should take an argument.
     testString: assert(incrementer.length === 1);
   - text: Your <code>incrementer</code> function should return a value that is one larger than the <code>fixedValue</code> value.
-    testString: assert(newValue === 5);
+    testString: const newValue = incrementer(fixedValue); assert(newValue === 5);
 
 ```
 
@@ -52,9 +52,6 @@ function incrementer () {
 
   // Only change code above this line
 }
-
-var newValue = incrementer(fixedValue); // Should equal 5
-console.log(fixedValue); // Should print 4
 ```
 
 </div>
@@ -67,13 +64,9 @@ console.log(fixedValue); // Should print 4
 <section id='solution'>
 
 ```js
-// The global variable
 var fixedValue = 4;
 
 const incrementer = val => val + 1;
-
-var newValue = incrementer(fixedValue); // Should equal 5
-console.log(fixedValue); // Should print 4
 ```
 
 </section>