闭包的内存泄漏解决办法

 

 

<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>sss</title>
</head>
<body>
    <div desc="hhhh">在线学习</div>
    <div desc="xxxx">开源产品</div>

    <script type="text/javascript">
        let divs = document.querySelectorAll("div");
        divs.forEach(function(item){
            let desc = item.getAttribute("desc");
            item.addEventListener("click",function(){
                console.log(desc);
                console.log(item);

            });
            item = null;
        });
    </script>

</body>
</html>

 

posted @ 2021-05-29 14:49  AngDH  阅读(108)  评论(0)  编辑  收藏  举报