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Returns the absolute value of a number (the value without regard to whether it is positive or negative). For example, the absolute value of -5 is the same as the absolute value of 5.


Math.abs( number )
Required. The required number argument is a numeric expression for which the absolute value is needed.

Return Value

The absolute value of the number argument.


The following example illustrates the use of the abs function.

var s;
 var v1 = Math.abs(6);
 var v2 = Math.abs(-6);
 if (v1 == v2) {
     document.write("Absolute values are the same.");
 else {
 document.write("Absolute values are different.");

 // Output: Absolute values are the same.

See also

Other articles


  • Microsoft Developer Network: Article