Question

点击 再提交的时候，用JS如何得到隐藏域value 的值

<FORM action="{:U('News/index_add')}" method="post">
<UL class="form-ul clearfix">
<LI class="tctype">
<LABEL>供求类型：</LABEL>
<EM class="u-xiaofei j-tab " style="padding: 0px 15px;" val="16" value="zr" name="sd_type">转让</EM>
<input type="hidden" id="zr">
<EM class="u-xiaofei j-tab " style="padding: 0px 15px;" val="2" value="cz" name="sd_type">出租</EM>
<input type="hidden" id="cz">
<EM class="u-xiaofei j-tab " style="padding: 0px 15px;" val="1" value="cs" name="sd_type">出售</EM>
<input type="hidden" id="cs">
<EM class="u-xiaofei j-tab " style="padding: 0px 15px;" val="32" value="wyzs" name="sd_type">物业招商</EM>
<input type="hidden" id="wyzs">
</LI>
</UL>
<input type="submit" value="提交">
</from>

Answer 1

var myForm=document.forms[0]；
myForm.onSubmit = function(){
var oZr = document.getElementById('zr');
alert(oZr.value);
}