How to convert negative numbers to positive numbers in javascript

Javascript method to convert a negative number into a positive number: 1. Use the inversion operation "-" and the syntax "-x"; 2. Use the abs() function to convert the negative number by taking the absolute value of the negative number. For positive numbers, the syntax is "Math.abs(x)".

The operating environment of this tutorial: Windows 7 system, JavaScript version 1.8.5, Dell G3 computer.

Javascript method of converting negative numbers to positive numbers

Method 1: Use the inversion operation

The negation operator is a unary operator, also called a unary subtraction operator.

var a = -10;
var b = -a;
console.log(b);

Method 2: Use the abs() function to get the absolute value

abs() method can return the absolute value of a number . The syntax is as follows:

Math.abs(x)

Return value: the absolute value of x. Returns NaN if x is not a number, or 0 if x is null.

Example:

var a = -100;
var b = Math.abs(a);
console.log(b);

[Recommended learning: javascript advanced tutorial】

The above is the detailed content of How to convert negative numbers to positive numbers in javascript. For more information, please follow other related articles on the PHP Chinese website!