The Math. round of method used in JavaScript for rounding

2020-06-15 07:38:22
OfStack

This method returns the value of the nearest integer rounded out by 4.
grammar


Math.round( x ) ;

Here is the details of the parameters:

x: One number

The return value:

Returns the value of the number 4 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 the following results:


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