4.option事件冒泡
马克-to-win:onChange事件option谈不到,只有select才谈onChange。只有onClick事件二者都有,才谈到冒泡。
例 4.1(getElementsByTagName()IEFF.html)
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8"/>
<SCRIPT LANGUAGE="JavaScript">
<!--
window.onload=function(){
var arr = document.getElementsByTagName("option");
alert("arr[i].value is "+arr[2].value);
}
//-->
</SCRIPT>
</HEAD>
<BODY>
<SELECT NAME="" onChange="document.getElementById('info').innerHTML+='select';" id="province" style="width:140px;background-color:red">
<option onChange="document.getElementById('info').innerHTML+='option hong';">红</option>
<option onChange="document.getElementById('info').innerHTML+='option lan';">兰</option>
<option value="紫">紫1</option>
</SELECT>
<span id="info"></span>
</BODY>
</HTML>
javascript当中option事件冒泡
猜你喜欢
转载自blog.csdn.net/mark_to_win/article/details/88681785
今日推荐
周排行