How to output absolute value in JavaScript

In JavaScript, the absolute value can be output through the abs method. The syntax is "Math.abs(x)". The parameter x represents a numerical value, and the return value is the absolute value of Number x.

The operating environment of this article: Windows 7 system, javascript1.8.5, Dell G3 computer.

How to output absolute value in JavaScript?

abs() method returns the absolute value of a number.

Syntax

Math.abs(x)

Parameter values

x Required. Must be a numeric value.

Return value

The absolute value of Number x. Returns NaN if x is not a number, or 0 if x is null.

Example

In this example, I will get the absolute values ​​of different types of arrays:

var a=Math.abs(7.25);
var b=Math.abs(-7.25);
var c=Math.abs(null);
var d=Math.abs("Hello");
var e=Math.abs(2+3);

Output results:

7.25
7.25
0
NaN
5

Recommended learning:《javascript advanced tutorial》

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