The application of ES1en. abs of method in JavaScript is introduced

2020-06-15 07:40:25
OfStack

This method returns the absolute value of 1 number.
grammar


Math.abs( x ) ;

Here is the details of the parameters:

x: One number

The return value:

Returns the absolute value of 1 number

Example:


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

var value = Math.abs(-1);
document.write("First Test Value : " + value ); 
 
var value = Math.abs(null);
document.write("<br />Second Test Value : " + value ); 

var value = Math.abs(20);
document.write("<br />Third Test Value : " + value ); 

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

This will produce the following results:


First Test Value : 1
Second Test Value : 0
Third Test Value : 20
Fourth Test Value : NaN