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Monday, March 17, 2014

Posted by amikitinfo
No comments | 9:17 PM

Javascript Math - round Method

Description:

This method returns the value of a number rounded to the nearest integer.

Syntax:

Math.round( x ) ;
Here is the detail of parameters:
  • x: A number

Return Value:

Returns the value of a number rounded to the nearest integer.

Example:

<html>
<head>
<title>JavaScript Math round() Method</title>
</head>
<body>
<script type="text/javascript">

var value = Math.round( 0.5 );
document.write("First Test Value : " + value ); 
  
var value = Math.round( 20.7 );
document.write("<br />Second Test Value : " + value ); 

var value = Math.round( 20.3 );
document.write("<br />Third Test Value : " + value ); 

var value = Math.round( -20.3 );
document.write("<br />Fourth Test Value : " + value ); 
</script>
</body>
</html>

This will produce following result:

First Test Value : 1
Second Test Value : 21
Third Test Value : 20
Fourth Test Value : -20 
 
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