获取Select下拉列表的value and text

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var array = document.getElementsByName('INDEXID');var indexIdObj = array[0];var text =  indexIdObj.options[indexIdObj.selectedIndex].text;var value = indexIdObj.options[indexIdObj.selectedIndex].value;var array1 = document.getElementsByName('INDEXNAME');if(value==""){  array1[0].value = '';  return;}  array1[0].value = text;

?页面代码:

 <td width="15%"><div align="right">内部索引字段：</div></td>        <td width="35%">                 <html:select property="INDEXID" style="width:150px;" onchange ="selectValue()">                                   <option value="">请选择</option>                                   <html:options collection="SME_INDEX_INDEXID" property="value" labelProperty="label"/>                   </html:select>        </td>        <td width="15%"><div align="right">内部索引名称：</div></td>        <td width="35%">                               <html:text property="INDEXNAME" size="20" style="width:150px;" maxlength="20" readonly="true"/>        </td>

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