<select name="serverName" onchange="getServer()">
<option>请选择</option>
<c:forEach items="${list}" var="list">
<option value="${list.serverName}">${list.serverName}</option>
</c:forEach>
</select>
<option>请选择</option>
<c:forEach items="${list}" var="list">
<option value="${list.serverName}">${list.serverName}</option>
</c:forEach>
</select>
<option>请选择 </option>
<c:forEach items="${list}" var="list">
<option value="${list.serverName}">${list.serverName} </option>
</c:forEach>
</select>function getServer(obj){
var index = obj.selectedIndex;
var v = obj.options[index].value;
alert(v);
}
调用的时候传个this
function getServer(obj){
var v = obj.value; // 直接可取值
alert(v);
}
<select name="serverName" onchange="getServer(this)">
<option>请选择 </option>
<c:forEach items="${list}" var="list">
<option value="${list.serverName}">${list.serverName} </option>
</c:forEach>
</select>function getServer(obj){
var index= obj.selectedIndex;
var v= obj.options[index].value;
alert(v);
}
正确的