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

15 lines
514 B

4 years ago
var $ = require('../internals/export');
var fails = require('../internals/fails');
var isObject = require('../internals/is-object');
var nativeIsFrozen = Object.isFrozen;
var FAILS_ON_PRIMITIVES = fails(function () { nativeIsFrozen(1); });
// `Object.isFrozen` method
// https://tc39.github.io/ecma262/#sec-object.isfrozen
$({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES }, {
isFrozen: function isFrozen(it) {
return isObject(it) ? nativeIsFrozen ? nativeIsFrozen(it) : false : true;
}
});