fixed typo in js/level and js/level2 (#9)

Author: paulinaika

js/level1.js

@@ -213,9 +213,9 @@
     Example:
     var number = 7;
     if (number > 7) {
-        console.log('Our number is bigger then 7');
+        console.log('Our number is bigger than 7');
     } else {
-        console.log('Our number is smaller then 7');
+        console.log('Our number is smaller than 7');
     }
 */
 

js/level2.js

@@ -34,7 +34,7 @@
 
     Example:
 
-    var animals = ['cat', 'dog', 'horse];
+    var animals = ['cat', 'dog', 'horse'];
     var randomThings = [2, 'book', 'today is Saturday', 10];
     var numbers = [1, 2, 8, 19];
 */
@@ -238,7 +238,7 @@
 
     Example:
 
-    var animals = ['cats', 'dogs', 'horses];
+    var animals = ['cats', 'dogs', 'horses'];
     for(var i = 0; i < animals.length; i++){
         console.log('I love ' + animals[i]);
     }