foop
Version:
interfaces that describe their intentions.
18 lines (15 loc) • 300 B
JavaScript
/* eslint eqeqeq: "OFF" */
const INFINITY = require('../native/INFINITY')
/**
* @name isNegativeInfinity
* @since 5.0.0-beta.6
*
* @param {*} x == -INFINITY
* @return {boolean}
*
* @example
*
* Infinity / -1 == -INFINITY //= true -> '-0'
*
*/
module.exports = x => 1 / x == -INFINITY