bootstrap下拉菜单打开onclickof按钮？

Question

please refer the link

所需功能 - 内在下拉处于禁用状态。当我检查复选框时，下拉框必须以正常方式打开并运行。我刚刚添加了这条线$('.btn').removeClass('disabled');

Answer 1

希望下面的示例将帮助你。

$(function() { 
 
    $("#buttonId").click(function(event) { 
 
    $("#dropdownId").removeAttr('disabled'); 
 
    $("#dropdownId").attr('size',6); 
 
    }); 
 
});

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.2.3/jquery.min.js"></script> 
 

 

 
<input type="button" id="buttonId" value="Click me to enable dropdown"> 
 
<br> 
 
<br> 
 
<select id="dropdownId" disabled> 
 
    <option value="Sunday">Sunday</option> 
 
    <option value="Monday">Monday</option> 
 
    <option value="Tuesday">Tuesday</option> 
 
    <option value="Wednesday">Wednesday</option> 
 
    <option value="Thursday">Thursday</option> 
 
    <option value="Friday">Friday</option> 
 
    <option value="Saturday">Saturday</option> 
 
</select>

更新的要求