How to convert a positive number to negative in JavaScript

In this tutorial, you will learn how you can convert a positive number to a negative number in javaScript

To convert a positive number to a negative number in JavaScript, we use the minus sign (-).

let x = 25;
x = -x;

We can convert a string to a number with a negative sign using the parseInt() or parseFloat() function and then use the negation operator to change its sign.

let str = "5";
let x = -parseInt(str); // -5

let y = -parseFloat('2.23'); // -2.23

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