<!DOCTYPE html><html><head><meta charset="UTF-8"><title></title></head><body><div id="box">点我发布事件</div><script src="js/jquery-2.1.0.min.js" type="text/javascript" charset="utf-8"></script><script type="text/javascript">var pubSub = function(){};pubSub.prototype.threadPool = [];pubSub.subscribe = function(name,cb){pubSub.prototype.threadPool.push({name:name,fun:cb});}pubSub.publish = function(name){var threadPool = pubSub.prototype.threadPool;for (var i in threadPool) {setTimeout(function(i){if(threadPool[i][‘name‘]==name){threadPool[i][‘fun‘]();}}(i),0);}}$("#box").click(function(){pubSub.publish(‘dateChange‘);})pubSub.subscribe(‘dateChange‘,function(){this.name = ‘lisi‘console.log(‘hello world‘)})pubSub.subscribe(‘dateChange‘,function(){this.name = ‘zhangsan‘console.log(‘这是我订阅的第二个方法‘)})</script></body></html>
有时间会更新一下。。。。。。
JS实现简陋的观察者模式
原文地址：https://www.cnblogs.com/MainActivity/p/9094193.html