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Introducing the use of Math.abs() method in JavaScript_Basic knowledge
Introducing the use of Math.abs() method in JavaScript_Basic knowledge
May 16, 2016 pm 03:55 PM This method returns the absolute value of a number.
Grammar
Math.abs( x ) ;
Here are the details of the parameters:
- x : a number
Return value:
- Returns the absolute value of a 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
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