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in Technique[技术] by (71.8m points)

javascript能运行但是控制台报错‘click' handler

image
本人初学。向大家请教。

<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>事件监听</title>
    <style>
        #box{
            width: 100px;
            height: 100px;
            background-color: palegreen;
        }
    </style>
</head>

<body>
    <div id="box"></div>
    <script>
        
    box.addEventListener('click',function()  {alert(1)},false);
    
    </script>
</body>
</html>

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1 Answer

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by (71.8m points)

这只是浏览器觉得你运行这个点击事件用的时间太长了,所以给个警告,应该是 alert 阻塞渲染导致的,可以忽略。
alert 换成 console.log 应该就不会报了。


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