fix: added semi-colon not in original code

Co-Authored-By: RandellDawson <5313213+RandellDawson@users.noreply.github.com>

curriculum/challenges/english/02-javascript-algorithms-and-data-structures/basic-data-structures/add-key-value-pairs-to-javascript-objects.english.md

@@ -27,7 +27,7 @@ let userData = FCC_User.followers;
 This is called <dfn>dot notation</dfn>. Alternatively, we can also access the property with brackets, like so:
 
 ```js
-let userData = FCC_User['followers']
+let userData = FCC_User['followers'];
 // userData equals 572
 ```
 

curriculum/challenges/english/02-javascript-algorithms-and-data-structures/basic-data-structures/check-for-the-presence-of-an-element-with-indexof.english.md

@@ -12,9 +12,9 @@ For example:
 ```js
 let fruits = ['apples', 'pears', 'oranges', 'peaches', 'pears'];
 
-fruits.indexOf('dates') // returns -1
-fruits.indexOf('oranges') // returns 2
-fruits.indexOf('pears') // returns 1, the first index at which the element exists
+fruits.indexOf('dates'); // returns -1
+fruits.indexOf('oranges'); // returns 2
+fruits.indexOf('pears'); // returns 1, the first index at which the element exists
 ```
 
 </section>

curriculum/challenges/english/02-javascript-algorithms-and-data-structures/basic-data-structures/copy-array-items-using-slice.english.md

@@ -14,7 +14,6 @@ let weatherConditions = ['rain', 'snow', 'sleet', 'hail', 'clear'];
 let todaysWeather = weatherConditions.slice(1, 3);
 // todaysWeather equals ['snow', 'sleet'];
 // weatherConditions still equals ['rain', 'snow', 'sleet', 'hail', 'clear']
-
 ```
 
 In effect, we have created a new array by extracting elements from an existing array.