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我想知道为什么这一简单程序为什么没反应，而且弹窗提示怎么变成内容了？
看透不说透
看透不说透 2016-12-20 14:07:09
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<!DOCTYPE HTML>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title> 内容选中事件 </title>
<script type="text/javascript">
  function message() {
    alert("您触发了选中事件！"); }
</script>    
</head>
<body>
  <form>
  个人简介：<br>
   <textarea name="summary" cols="60" rows="5" onselect="message()">请写入个人简介，不少于200字！</textarea>
  </form>
</body>
</html>


看透不说透
看透不说透

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数据分析师
数据分析师2017-09-30 23:08:04 2 floor

I want to know why this simple program is not responding, and how did the pop-up prompt become content? -PHP Chinese website Q&A-I want to know why this simple program does not respond, and how does the pop-up window prompt become content? -PHP Chinese website Q&A

Please watch and learn.

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迷茫
迷茫2016-12-20 14:07:45 1 floor

你要选中文本域内的中文字才会有弹出框

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