BlogJava-czmchen-随笔分类-javascripthttp://www.blogjava.net/czmchen/category/43161.htmlzh-cnTue, 06 Apr 2010 16:56:14 GMTTue, 06 Apr 2010 16:56:14 GMT60select的使用http://www.blogjava.net/czmchen/archive/2010/04/06/317574.html陈周敏陈周敏Tue, 06 Apr 2010 09:52:00 GMThttp://www.blogjava.net/czmchen/archive/2010/04/06/317574.htmlhttp://www.blogjava.net/czmchen/comments/317574.htmlhttp://www.blogjava.net/czmchen/archive/2010/04/06/317574.html#Feedback0http://www.blogjava.net/czmchen/comments/commentRss/317574.htmlhttp://www.blogjava.net/czmchen/services/trackbacks/317574.html

select清空option
1 document.getElementById("type").options.length = 0;
select创建option
1 
2 function addOption(objSelect,optionVal,optionText)      {
3                 var   _o = document.createElement("option"); 
4                  _o.text = optionText;
5                  _o.value = optionVal;
6                  objSelect.add(_o);
7  }
8 




陈周敏 2010-04-06 17:52 发表评论
]]>html dom获取option的值http://www.blogjava.net/czmchen/archive/2009/12/17/306303.html陈周敏陈周敏Thu, 17 Dec 2009 07:01:00 GMThttp://www.blogjava.net/czmchen/archive/2009/12/17/306303.htmlhttp://www.blogjava.net/czmchen/comments/306303.htmlhttp://www.blogjava.net/czmchen/archive/2009/12/17/306303.html#Feedback0http://www.blogjava.net/czmchen/comments/commentRss/306303.htmlhttp://www.blogjava.net/czmchen/services/trackbacks/306303.html
<select id="typevalue" onChange="modifyType();">

<option value="1" id="0">11</option>

<option value="2" id="1">22</option>

<option value="3" id="2">33</option>

<option value="4" id="3">44</option>

<option value="5" id="4">55</option>

<option value="6" id="5">66</option>

<option value="7" id="10">77</option>

</select>



获取选中的option的text值
var typevalue = document.getElementById("typevalue");
var typevalueText = typevalue.options[typevalue.selectedIndex].text;

获取选中的option的ID值
var typevalue = document.getElementById("typevalue");
var typevalueId = typevalue.options[typevalue.selectedIndex].id;



陈周敏 2009-12-17 15:01 发表评论
]]>