You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

8 lines
261 B
JavaScript

5 years ago
'use strict';
var toString = Object.prototype.toString;
module.exports = function (x) {
var prototype;
return toString.call(x) === '[object Object]' && (prototype = Object.getPrototypeOf(x), prototype === null || prototype === Object.getPrototypeOf({}));
};