esnext.math.signbit.js 257 Bytes Raw Blame History Permalink 1 2 3 4 5 6 7 8 9 var $ = require('../internals/export'); // `Math.signbit` method // https://github.com/tc39/proposal-Math.signbit $({ target: 'Math', stat: true }, { signbit: function signbit(x) { return (x = +x) == x && x == 0 ? 1 / x == -Infinity : x < 0; } });