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Math.abs Function (JavaScript)

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)

The required number argument is a numeric expression for which the absolute value is needed.

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.

Supported in the following document modes: Quirks, Internet Explorer 6 standards, Internet Explorer 7 standards, Internet Explorer 8 standards, Internet Explorer 9 standards, Internet Explorer 10 standards, Internet Explorer 11 standards. Also supported in Store apps (Windows 8 and Windows Phone 8.1). See Version Information.

Applies To: Math Object (JavaScript)

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