The abs() function of the Math object accepts a number and returns its absolute value.
Syntax
Its Syntax is as follows
Math.abs(3)
Example
<html> <head> <title>JavaScript Example</title> </head> <body> <script type="text/javascript"> var result = Math.abs(3); document.write("Absolute value: "+result); </script> </body> </html>
Output
Absolute value: 3