JavaScript Loop : While Loop in JavaScript (Iterative Statement)
Note :
- For Single Line of Code - Opening and Closing braces are not needed.
- while(1) is used for Infinite Loop
- Initialization , Incrementation and Condition steps are on different Line.
- While Loop is also Entry Controlled Loop.[i.e conditions are checked if found true then and then only code is executed ]
While Loop Syntax :
initialization; while(condition) { ---------- ---------- ---------- ---------- ---------- ------ incrementation; }
Live Example :
<html> <body> <script type="text/javascript"> var i=0; while(i<=5) { document.write("The number is " + i); document.write("<br />"); i++; } </script> </body> </html>
Output :
The number is 0 The number is 1 The number is 2 The number is 3 The number is 4 The number is 5