<!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>
数据分析师2017-09-30 23:08:04
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.
