Is It Negative Zero (-0)?.js

/*
Description:
There exist two zeroes: +0 (or just 0) and -0.

Write a function that returns true if the input number is -0 and false otherwise (True and False for Python).

In JavaScript / TypeScript / Coffeescript the input will be a number.

In Python / Java / C the input will be a float.
*/

function isNegativeZero(n) {
  return Object.is(-0,n);
}