Get the absolute value of a number in Javascript

Question

I want to get the absolute value of a number in JavaScript. That is, drop the sign. I know mathematically I can do this by squaring the number then taking the square root, b

Answer 1

Here is a fast way to obtain the absolute value of a number. It's applicable on every language:

x = -25;
console.log((x ^ (x >> 31)) - (x >> 31));