设置选择框的选定选项 [英] Set selected option of select box
本文介绍了设置选择框的选定选项的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我想设置之前选择的选项以在页面加载时显示。我尝试了下面的代码:
I want to set a option that was selected previously to be displayed on page load. I tried it with the following code:
$("#gate").val('Gateway 2');
with
with
<select id="gate">
<option value='null'>- choose -</option>
<option value='Gateway 1'>Gateway 1</option>
<option value='Gateway 2'>Gateway 2</option>
</select>
但这不起作用。任何想法?
But this does not work. Any ideas?
推荐答案
这绝对应该有效。 下面是演示。确保已将代码放入 $(document).ready
中:
This definitely should work. Here's a demo. Make sure you have placed your code into a $(document).ready
:
$(function() {
$("#gate").val('Gateway 2');
});
这篇关于设置选择框的选定选项的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!
查看全文