7 lines
261 B
JavaScript
7 lines
261 B
JavaScript
'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({}));
|
|
};
|