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This method returns the absolute value of a number.
Math.abs( x ) ; |
Here is the detail of parameters:
x : A number.
Returns the absolute value of a number.
<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 following result:
First Test Value : 1 Second Test Value : 0 Third Test Value : 20 Fourth Test Value : NaN |
To understand it in better way you can Try it yourself.
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