type for negative number javascript code example

Example 1: makes number negative javascript

Math.abs(num) => Always positive
-Math.abs(num) => Always negative

Example 2: check if number is negative javascript

const positive = 5;
const negative = -5;
const zero = 0;

Math.sign(positive); // 1
Math.sign(negative); // -1
Math.sign(zero); // 0