es.math.cbrt.js 316 Bytes
var $ = require('../internals/export');
var sign = require('../internals/math-sign');

var abs = Math.abs;
var pow = Math.pow;

// `Math.cbrt` method
// https://tc39.github.io/ecma262/#sec-math.cbrt
$({ target: 'Math', stat: true }, {
  cbrt: function cbrt(x) {
    return sign(x = +x) * pow(abs(x), 1 / 3);
  }
});