| 1234567891011121314 |
- 'use strict';
- var getBuiltIn = require('../internals/get-built-in');
- var isCallable = require('../internals/is-callable');
- var isPrototypeOf = require('../internals/object-is-prototype-of');
- var USE_SYMBOL_AS_UID = require('../internals/use-symbol-as-uid');
- var $Object = Object;
- module.exports = USE_SYMBOL_AS_UID ? function (it) {
- return typeof it == 'symbol';
- } : function (it) {
- var $Symbol = getBuiltIn('Symbol');
- return isCallable($Symbol) && isPrototypeOf($Symbol.prototype, $Object(it));
- };
|
