select中值的选中
<select id = "selectId1">
<option value="0">0</option>
<option value="1">1</option>
<option value="2">2</option>
</select>
- 选中value为1的option:
$("#selectId1").find("option[value = '1']").attr("selected","selected");
- 选中被选中的值
获取选中项
var temp = $("#selectId1 option:selected");
获取选中项的value
var val = temp.val();
获取选中项的text
var text = temp.text();