动态为事件添加js代码示例
(编辑：jimmy 日期: 2025/5/11 浏览：3 次 )
复制代码 代码如下:
<HTML>
<HEAD>
<script language="javascript">
attachEvent("onblur", blur);
function blur()
{
document.all.form.username.attachEvent("onblur", blur);
if(event.srcElement == document.all.form.username){
alert("efewef");
}
}
</script>
</HEAD>
<BODY>
<form name="form">
<input type="text" name="username" onblur="alert('hello')">
</form>
</BODY>
其执行顺序为:
先执行alert("hello");
后执行alert("efewef");
<HTML>
<HEAD>
<script language="javascript">
attachEvent("onblur", blur);
function blur()
{
document.all.form.username.attachEvent("onblur", blur);
if(event.srcElement == document.all.form.username){
alert("efewef");
}
}
</script>
</HEAD>
<BODY>
<form name="form">
<input type="text" name="username" onblur="alert('hello')">
</form>
</BODY>
其执行顺序为:
先执行alert("hello");
后执行alert("efewef");
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