mirror of
https://github.com/idanoo/GoScrobble.git
synced 2024-11-24 09:25:15 +00:00
27 lines
863 B
JavaScript
27 lines
863 B
JavaScript
'use strict';
|
|
var DESCRIPTORS = require('../internals/descriptors');
|
|
var addToUnscopables = require('../internals/add-to-unscopables');
|
|
var toObject = require('../internals/to-object');
|
|
var toLength = require('../internals/to-length');
|
|
var defineProperty = require('../internals/object-define-property').f;
|
|
|
|
// `Array.prototype.lastIndex` accessor
|
|
// https://github.com/keithamus/proposal-array-last
|
|
if (DESCRIPTORS && !('lastItem' in [])) {
|
|
defineProperty(Array.prototype, 'lastItem', {
|
|
configurable: true,
|
|
get: function lastItem() {
|
|
var O = toObject(this);
|
|
var len = toLength(O.length);
|
|
return len == 0 ? undefined : O[len - 1];
|
|
},
|
|
set: function lastItem(value) {
|
|
var O = toObject(this);
|
|
var len = toLength(O.length);
|
|
return O[len == 0 ? 0 : len - 1] = value;
|
|
}
|
|
});
|
|
|
|
addToUnscopables('lastItem');
|
|
}
|