📄 option.html
字号:
<html>
<head>
<title>option - HTML元素参考-HTML Elements Reference-网页教程与代码的中文站点-布啦布啦-blabla.cn</title>
<meta name="author" content="www.blabla.cn">
<meta name="keywords" content="option,HTML参考,HTML教程, HTML代码,HTML元素,HTML elements,网页教程和代码的中文网站,网页制作,源代码,示例,布啦布拉,blabla.cn,examples">
<meta name="description" content="-网页教程与代码的中文站点-网页制作-布啦布啦-blabla.cn">
<meta name="generator" content="blabla buildsite v2.0 - C:\CodeBank\BLABLA\blablasource\webtutorials\150_html_ref\100_html_elements\365_option.txt">
<meta http-equiv="content-type" content="text/html; charset=gb2312">
<link rel="stylesheet" href="../styles/bla01.css" type="text/css">
<script type="text/javascript">
function WsFvt() {
window.external.addFavorite(
"../default.htm",
"布啦布啦网页教程与代码[www.blabla.cn]");
}
function WsHome() {
event.srcElement.style.behavior = "url(#default#homepage)";
event.srcElement.setHomePage("../default.htm");
}
function WsActOn() {
event.srcElement.className = "wsacton";
}
function WsAct() {
event.srcElement.className = "wsact";
}
</script>
</head>
<body class=wsbody>
<div class=wsheader>
<table cellpadding=0 cellspacing=0 class=wslogoarea>
<td class=ws_a1><img src="../images/logo/blabla_logo01.gif" class=blablalogo03></td>
<td class=ws_a2>
<div>
<font class=wsact onmouseover="WsActOn()" onmouseout="WsAct()" onclick="WsFvt()">加入收藏</font> |
<font class=wsact onmouseover="WsActOn()" onmouseout="WsAct()" onclick="WsHome()">设为首页</font>|
<a href="mailto:webmaster@blabla.cn">联系我们</a>
</div>
<div style = "height:20px;"></div>
<div>
<a href="../html_tutorials/index.html">HTML教程</a> |
<a href="../html_tutorials/100_html_examples.html">HTML示例代码</a> |
<a href="../css_tutorials/index.html">CSS教程</a> |
<a href="../css_tutorials/100_CSS_examples.html">CSS示例代码</a> |
<a href="../js_tutorials/index.html">Javascript教程</a> |
<a href="../js_tutorials/100_js_examples.html">Javascript示例代码</a>
</div>
</td>
</tr></table>
</div>
<div class=wscontent>
<table cellpadding=0 cellspacing=0 class=wscgrid>
<td class=a1>
<div class=wsmenu><div class=box><div class=box>
<!--menupart Start -->
<a href = "../index.html"><H1>网站首页</H1></a>
<a href = "index.html" ><H1>HTML元素参考</H1></a><a href = "../html_attr_ref/index.html" ><H1>HTML属性参考</H1></a>
<!--menupart end -->
</div></div></div>
</td>
<td class=a2><div class=wsarticle><div class=articlepart id = ap>
<div class=wstitle><div class=box><div class=box><h1>HTML元素 - option</h1></div></div></div>
<!--articlepart start-->
<div class = changefont>
<span onclick= "ap.className='ArticlePartBig';" class = bfont>大字体</span>
<span onclick= "ap.className='ArticlePart';" class = sfont>小字体</span>
</div>
<H2>定义</H2><P>表示 SELECT 元素中的一个选项。</P><P>Denotes one choice in a SELECT element.</P><H2>注释</H2><P>在 Internet Explorer 5 及以后版本中，OPTION 元素是 all 集合的一部分。而在较早版本中，你只能通过 SELECT 元素的 options 集合获得对这些元素的访问。</P><P>你只能在与 OPTION 位于同一窗口的 SELECT 元素里添加 OPTION 元素。</P><P>除了 background-color 和 color，通过 style 为 option 元素指定的样式设置都将被忽略。此外，直接应用到单个 options 的样式将覆盖应用到 SELECT 元素容器的样式。</P><P>此元素在 Internet Explorer 3.0 及以上版本的 HTML 和脚本中可用。</P><P>此元素是一个块元素。</P><P>此元素不需要关闭标签。</P><P>As of Internet Explorer 5 and later, the OPTION elements are part of the all collection. For earlier versions, you can gain access to these elements by applying the options collection to the SELECT element.</P><P>You can add OPTION elements only to a SELECT element that is located in the same window where the OPTION elements are created.</P><P>Except for background-color and color, style settings applied through the style object for the option element are ignored. In addition, style settings applied directly to individual options override those applied to the containing SELECT element as a whole.</P><P>This element is available in HTML and script as of Internet Explorer 3.0.</P><P>This element is a block element.</P><P>This element does not require a closing tag.</P><H2>示例代码</H2><P>下面的例子使用 OPTION 元素创建了下拉列表框中的单个项目。</P><PRE><SELECT ID="oCars" SIZE="1" onchange="fnChange()"></PRE><PRE><OPTION VALUE="1">宝马</PRE><PRE><OPTION VALUE="2">保时捷</PRE><PRE><OPTION VALUE="3" SELECTED>大奔</PRE><PRE></SELECT></PRE><PRE><TEXTAREA ID="oData"></TEXTAREA></PRE><P>下面的例子使用 options 集合将列表框中选中的项目追加到文本区域中。</P><PRE><SCRIPT LANGUAGE="JScript"></PRE><PRE>function fnChange(){</PRE><PRE>oData.value+=oCars.options[oCars.selectedIndex].text + "\n";</PRE><PRE>}</PRE><PRE></SCRIPT></PRE><P> </P><P> </P>
<!--articlepart end-->
</div><div></td>
<td class=a3><div class=wslink>
<div class=wsportrait>
<img src="../images/logo/blabla_logo02.gif" class=blablalogo21>
</div>
<div class=wslgreen><div class=box><div class=box>
<h2>布啦布啦旗下网站</h2>
<p><a href="../index.html">布啦布啦网页教程与代码</a></p>
<p><a href="http://www.wowstory.com">小斧的魔兽世界</a></p>
<p><a href="../wow/index.html">小斧的魔兽世界镜像</a></p>
<p><a href="http://hardware.blabla.cn">数码资讯</a></p>
</div></div></div>
<div style= "background-color:#FFFFF0;
border-top:3px solid #FFCC66; border-bottom:3px solid #FFCC66;border-left:1px solid #FFE0A1;border-right:1px solid #FFE0A1;">
<!-- SiteSearch Google -->
<form method="get" action="http://www.google.com/custom" target="_top">
<table border="0" bgcolor="#ffffff">
<tr><td nowrap="nowrap" valign="top" align="left" height="32">
</td>
<td nowrap="nowrap">
<input type="hidden" name="domains" value="blabla.cn"></input>
<input type="text" name="q" size="18" maxlength="255" value=""></input>
</td></tr>
<tr>
<td> </td>
<td nowrap="nowrap">
<table>
<tr>
<td>
<input type="radio" name="sitesearch" value=""></input>
<font size="-1" color="#000000" style = "font-size:12px;">Web</font>
</td>
<td>
<input type="radio" name="sitesearch" value="blabla.cn" checked="checked"></input>
<font size="-1" color="#000000" style = "font-size:12px;">blabla.cn</font>
</td>
</tr>
</table>
<input type="submit" name="sa" value="Google 搜索"></input>
<input type="hidden" name="client" value="pub-3105632846497229"></input>
<input type="hidden" name="forid" value="1"></input>
<input type="hidden" name="ie" value="GB2312"></input>
<input type="hidden" name="oe" value="GB2312"></input>
<input type="hidden" name="cof" value="GALT:#008000;GL:1;DIV:#336699;VLC:663399;AH:center;BGC:FFFFFF;LBGC:336699;ALC:0000FF;LC:0000FF;T:000000;GFNT:0000FF;GIMP:0000FF;FORID:1;"></input>
<input type="hidden" name="hl" value="zh-CN"></input>
</td></tr></table>
</form>
<!-- SiteSearch Google -->
</div>
<div style ="height:8px;font-size:8px;"></div>
<!--Google Adsense start-->
<div id="googlead" style = "width:160px; height:600px;" ></div>
<!--Google Adsense end-->
</div>
</td></tr>
</table></div>
<div class=wsfooter>
<table cellpadding=0 cellspacing=0 class=wsgrid>
<tr><td class=ws_a1>
<!--footer label start-->
© 2005 blabla.cn版权所有
<!--51yes statistics start-->
<script language="javascript" src="http://count1.51yes.com/click.aspx?id=13420718&logo=12"></script>
<!--51yes statistics end-->
</td></tr></table>
</div>
<!--Google Ad Script Start -->
<div id="googleadcode" style="display:none;">
<script type="text/javascript"><!--
google_ad_client = "pub-3105632846497229";
google_alternate_color = "FFFFFF";
google_ad_width = 160;
google_ad_height = 600;
google_ad_format = "160x600_as";
google_ad_type = "text_image";
google_ad_channel ="";
google_color_border = "A8C8FF";
google_color_bg = "F5F9FF";
google_color_link = "0058DB";
google_color_url = "008000";
google_color_text = "000000";
//--></script>
<script type="text/javascript"
src="http://pagead2.googlesyndication.com/pagead/show_ads.js">
</script>
</div>
<script language="javascript">
if(document.all.item("googlead") != null)
{
googlead.innerHTML = googleadcode.innerHTML;
}
</script>
<!--Google Ad Script End-->
</body>
</html>⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -