<!DOCTYPE HTML>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title> 失焦事件 </title>
<script type="text/javascript">
function message(){
alert("请确定已输入密码后，在移开!"); }
function add(){
alert("请输入我爱你")；
}
</script>
</head>
<body>
<form>
用户:<input name="username" type="text" value="请输入用户名！" onfocus="add()" ><br>
密码:<input name="password" type="text" value="请输入密码！" onblur="message()">
</form>
</body>
</html>
数据分析师2017-09-30 23:08:15
Look at what’s wrong. Why doesn’t the dialog box pop up? -PHP Chinese website Q&A-Please take a look at what is wrong. Why is there no dialog box popping up? -PHP Chinese website Q&A
Please watch and learn.
