本篇文章主要介绍了js获取select标签的值且兼容IE与firefox。需要的朋友可以过来参考下，希望对大家有所帮助
jsp代码：
代码如下:
<form id="search">
<select id="jobSelect" style="width: 200px;" name="jobSelect">
<s:if test='jobSelect == null || jobSelect == ""'>
<option selected="selected" value="-1">--依职类筛选--</option>
</s:if>
<s:else>
<option value="-1">--依职类筛选--</option>
</s:else>
<s:iterator value="jobCat" status="s">
<s:if test="jobSelect == catKey">
<option value="<s:property value="catKey" />" selected="selected">
<s:property value="catCnName" />
</option>
</s:if>
<s:else>
<option value="<s:property value="catKey" />">
<s:property value="catCnName" />
</option>
</s:else>
</s:iterator>
</select> <br />
<select id="areaSelect" style="width: 200px;" name="areaSelect">
<s:if test='areaSelect == null || areaSelect == ""'>
<option selected="selected" value="-1">--依地区筛选--</option>
</s:if>
<s:else>
<option value="-1">--依地区筛选--</option>
</s:else>
<s:iterator value="workAreaCat" status="s">
<s:if test="areaSelect == areaCat">
<option value="<s:property value="areaCat" />" selected="selected">
<s:property value="catCnName" />
</option>
</s:if>
<s:else>
<option value="<s:property value="areaCat" />">
<s:property value="catCnName" />
</option>
</s:else>
</s:iterator>
</select>
<input class="send2" type="button" onclick="validate();return false" value="查询" />
<span style="color: red;" mce_style="color: red;" id="requiredParam"></span>
</form>
js代码：
代码如下:
<mce:script type="text/javascript"><!--
validate = function(){
var jobSelect;
var areaSelect;
var search = document.getElementById("search");
for(var i=0;i<search.jobSelect.length;i++){
if(search.jobSelect[i].selected){
jobSelect = search.jobSelect[i].value;
}
}
for(var i=0;i<search.areaSelect.length;i++){
if(search.areaSelect[i].selected){
areaSelect = search.areaSelect[i].value;
}
}
if(jobSelect == -1 && areaSelect == -1){
document.getElementById('requiredParam').innerHTML = '请设定筛选条件后查询';
return;
}
var param = {
target : '../Index/JobFrame.action',
method : 'post',
form : 'search',
div : 'box'
}
var as = new AjaxSender(param);
as.send()
}
// --></mce:script