[英]how to open select list by clicking a button in jQuery or Javascript
<body>
<form>
<select name="test" id="test">
<option value="one">one</option>
<option value="two">two</option>
</select>
</form>
<button>Open Select Bar</button>
<script src="script.js"></script>
</body>
This is my html codes and I want to open the select list by clicking on the button in jquery, and I am unable to understand that how can I achieve it .这是我的 html 代码,我想通过单击 jquery 中的按钮打开选择列表,但我无法理解如何实现它。 Someone suggest me the way to achieve it,
有人建议我实现它的方法,
id
or class
to your button.id
或class
。 (For example I give id on snippet.) size
to open your select list using option
and length
when button click.size
使用option
和length
打开选择列表。 $('#btnselect').click(function(e) { $('#test').attr('size', $('option').length); });
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script> <select name="test" id="test"> <option value="one">one</option> <option value="two">two</option> </select> <button id='btnselect'>Open Select Bar</button>
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