function observable(obj){ if(!obj || typeof obj !== 'object') { return; } let keys = Object.keys(obj); keys.forEach((key) => { defineReactive(obj, key, obj[key]) }) return obj; } class Dep{ constructor(){ this.sub = [] }, //增加订阅者 addSub(sub){ this.subs.push(sub); }, //判断是否增加订阅者 //通知订阅者更新 notify()...

;(window => { const _cathe = window.addEventListener; window.addList = []; const handler = { apply:function(target,thisbinding,args){ Reflect.apply(_cathe,window,args) window.addList.push(args[0]) console.log(thisbinding) target() } } window.addEventListener = new Proxy(() => { console.log(win...