Update loops.js

Author: syedamir5560

loops.js

@@ -1,14 +1,12 @@
-/*
-JavaScript Loops
 
 The JavaScript loops are used to iterate the piece of code using for, while, do while or for-in loops. It makes the code compact. It is mostly used in array.
 
 There are four types of loops in JavaScript.
 
-    for loop
-    while loop
-    do-while loop
-    for-in loop
+    1)for loop
+    2)while loop
+    3)do-while loop
+    4)for-in loop
 
 
     1) JavaScript For loop
@@ -19,35 +17,35 @@ There are four types of loops in JavaScript.
         {  
             code to be executed  
         }  
-        */
+        
 
         for (var i = 0; i <= 10; i++) {
             document.write(i + "<br>");
           }
 
-          /*   JavaScript while loop
+    2)  JavaScript while loop
 
           The JavaScript while loop iterates the elements for the infinite number of times. It should be used if number of iteration is not known. The syntax of while loop is given below.
 
               while (condition)  
               {  
                   code to be executed  
-              }   */
+              }  
 
           var i = 1;
           while (i <= 15) {
             document.write(i + "<br>");
             i++;
           }
 
-          /* JavaScript do while loop
+          3) JavaScript do while loop
 
            The JavaScript do while loop iterates the elements for the infinite number of times like while loop. But, code is executed at least once whether condition is true or false. The syntax of do while loop is given below.
 
                do{  
                    code to be executed  
                }
-            while (condition);  */
+            while (condition);  
 
           var i = 50;
           do {
@@ -56,12 +54,12 @@ There are four types of loops in JavaScript.
           }
           while (i <= 52)
 
-          /* forEach loop 
+    4) forEach loop 
 
           its apply on array whenever you have array you can use foreach loop
-          for each loop by default not change your array but its change on copy of array so original array is same  */
+          for each loop by default not change your array but its change on copy of array so original array is same  
 
-          var sum = 0;
+           var sum = 0;
           var arr = [10, 18, 12, 20];
 
           arr.forEach(function myFunction(element) {
@@ -70,4 +68,3 @@ There are four types of loops in JavaScript.
           });
 
 
-