Javascript Loop Control

The Break Statement

The break statement is used to come out from loop.

Syntax

<script type="text/javascript">
do{
   // Code block to be executed.
} 
while (variable<=endvalue);
</script>

Note: The <= could be anything that would fit the purpose ex. >, == or whatever.

Example

<!DOCTYPE html>
<html>  
<head>  <!-- www.techstrikers.com -->
<title>My first Javascript code</title>   
</head>  
<body bgcolor="#bnde45">
<fieldset>
<legend>Javascript Loop Control</legend>
<script type="text/javascript">
var j=0;
do
{
document.write("<b>The number is " + j + "</b>")
document.write("</br>")
j++
}
while (j<=10)
</script>
</fieldset>
</body>  
</html>

Explanation:

The for loop sets i equal to 0. As long as i is less than or equal to 10, the loop will continue to run. i will increase by 1 each time the loop runs.

Try Now

See Also

Javascript Built in String Object
Javascript Built in Number Object
Javascript Built in Math Object
Javascript Built in Date Object
Javascript Built in Arrays Object
Javascript Built in Boolean Object
Javascript Built in RegExp Object
Javascript Built in JSON Object


 
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