js如何检测storeage变化？有没有事件？
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<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport"
content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>监听localStorage变化（同页面）</title>
</head>
<body>
<button class="add">add</button>
<button class="del">del</button>
<script type="text/javascript" src="http://repo.bfw.wiki/bfwrepo/js/jquery-3.2.1.min.js"></script>
<script>
var orignalSetItem = localStorage.setItem;
localStorage.setItem = function(key,newValue){
var setItemEvent = new Event("setItemEvent");
setItemEven...点击查看剩余70%
by thinkfuture
我知道答案，我要回答
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