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JavaScript abs() Method


Math Object Reference JavaScript Math Object

Definition and Usage

The abs() method returns the absolute value of a number.

Syntax

Math.abs(x)

Parameter Description
x Required. A number


Browser Support

Internet Explorer Firefox Opera Google Chrome Safari

The abs() method is supported in all major browsers.


Example

Example

Return the absolute value of different numbers:

<script type="text/javascript">

document.write(Math.abs(7.25) + "<br />");
document.write(Math.abs(-7.25) + "<br />");
document.write(Math.abs(null) + "<br />");
document.write(Math.abs("Hello") + "<br />");
document.write(Math.abs(7.25-10));

</script>

The output of the code above will be:

7.25
7.25
0
NaN
2.75

Try it yourself »


Math Object Reference JavaScript Math Object

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