<select id="sel" onchange="javascript:getSelect();">
<option value="a">选择</option>
<option value="bdd">be</option>
<option value="c">ce</option>
<option value="d">de</option>
<option value="e">ee</option>
</select>
<script>
function getSelect() {
//得到select下拉列表中option的value
var optionValue = document.getElementById("sel").options[document.getElementById("sel").options.selectedIndex].value;
//得到select下拉列表中option的text
var optionText = document.getElementById("sel").options[document.getElementById("sel").options.selectedIndex].text;
}
</script>
<select id="sele" onchange="javascript:getE();">
<option value="monday">星期一</option>
<option value="tuesday">星期二</option>
<option value="wednesday">星期三</option>
<option value="thursday">星期四</option>
<option value="friday">星期五</option>
</select>
<script>
function getE() {
//我建议这里也像下面一些写，虽然这样写也可以获得数据
var optionsValue = document.getElementById("sele").value;
alert(optionsValue);
var optionsText = document.getElementById("sele").options[document.getElementById("sele").options.selectedIndex].text;
alert(optionsText);
}
</script>
