Use the abs method to get absolute value in JavaScript. JavaScript Math.abs() method is return the absolute value of a number. It takes a number as a parameter.
Syntax of abs method
Math.abs(value)
Example of JavaScript absolute value
Basic Example
<!DOCTYPE html>
<html>
<body>
<script language="JavaScript">
var num = -10.85;
var n = Math.abs(num)
alert(n);
</script>
</body>
</html>
Output:
More Examples
var a = Math.abs(10); //10
var b = Math.abs(-10.25); //10.25
var c = Math.abs(null); // 0
var d = Math.abs("Hello"); // NaN
var e = Math.abs(7+3);// 10
Q: How to get the absolute value of a number in JavaScript / JS?
Answer: Use the Math.abs() function, It returns the absolute value. the abs() function is a static function of the Math object, it must be invoked through the placeholder object called Math.
Math.abs(number);
Do comment if you have any doubts and suggestion on topic.
Note: The All JS Examples codes are tested on the Firefox browser and the Chrome browser.
OS: Windows 10
Code: HTML 5 Version