javascript當(dāng)中g(shù)etElementsByTagName的用法

例 6.3:getElementsByTagName()IEFF.html
馬克- to-win:馬克 java社區(qū):防盜版實(shí)名手機(jī)尾號(hào): 73203。
<!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="" id="province"  style="width:140px;background-color:red">
    <option>紅</option>
    <option>蘭</option>
    <option>紫</option>
</SELECT>

</BODY>
</HTML>