TA的每日心情 | 奋斗
2024-5-8 13:14 |
|---|
签到天数: 78 天 [LV.6]常住居民II
终身会员
 
- 积分
- 4157
|
let Singleton = function(name) {
this.name = name;
this.instance = null;
}
Singleton.prototype.getName = function() {
console.log(this.name);
}
Singleton.getInstance = function(name) {
if (this.instance) {
return this.instance;
}
return this.instance = new Singleton(name);
}
let Winner = Singleton.getInstance('Winner');
let Looser = Singleton.getInstance('Looser');
console.log(Winner === Looser); // true
console.log(Winner.getName()); // 'Winner'
console.log(Looser.getName()); // 'Winner'
|
|
发表于 2021-4-13 11:04:08
发表于 2021-4-16 09:41:48
