琐碎的 JavaScript / Bootstrap 下拉问题

Question

基本上我有 3 个下拉菜单，我只需要激活一个，这样当我从中选择某项时，其余的也应该激活。所以到目前为止我所做的是我添加了禁用的 class 现在我有第一个活动的，而其余的 3 - 禁用。我的问题是 - 如何在我从第一个下拉列表中选择内容后立即激活它们

 $(document).ready(function () {

        $('#Test #firstId .dropdown-menu li a').click(function () {
            var selText = $(this).text();
            $(this).parents('.btn-group').find('.dropdown-toggle').html(selText + ' <span class="caret"></span>')
        });

        $('#Test #secondId .dropdown-menu li a').click(function () {
            var selText = $(this).text();
            $(this).parents('.btn-group').find('.dropdown-toggle').html(selText + ' <span class="caret"></span>')
        });

        $('#Test #thirdId .dropdown-menu li a').click(function () {
            var selText = $(this).text();
            $(this).parents('.btn-group').find('.dropdown-toggle').html(selText + ' <span class="caret"></span>')
        });
        $('#Test #fourthId .dropdown-menu li a').click(function () {
            var selText = $(this).text();
            $(this).parents('.btn-group').find('.dropdown-toggle').html(selText + ' <span class="caret"></span>')
        });

    });

这是我的下拉菜单：

 <div class="btn-group" id="firstId">
                            <button class="btn btn-default dropdown-toggle" type="button"
                                    data-toggle="dropdown">
                                Store
                                <span class="caret"></span></button>
                            <ul class="dropdown-menu" role="menu" aria-labelledby="menu1">
                                <li role="presentation"><a role="menuitem" tabindex="-1" href="#">1</a></li>
                                <li role="presentation"><a role="menuitem" tabindex="-1" href="#">2</a></li>
                                <li role="presentation"><a role="menuitem" tabindex="-1" href="#">3</a>
                                </li>
                                <li role="presentation" class="divider"></li>
                                <li role="presentation"><a role="menuitem" tabindex="-1" href="#">About Us</a></li>
                            </ul>
                        </div>
                    </div>
                </div>
                <div class="col-md-3">
                    <div class="dropdown">
                        <div class="btn-group" id="secondId">
                            <button class="btn btn-default dropdown-toggle disabled" type="button"
                                    data-toggle="dropdown">
                                Catalog
                                <span class="caret"></span></button>
                            <ul class="dropdown-menu" role="menu" aria-labelledby="menu1">
                                <li role="presentation"><a role="menuitem" tabindex="-1" href="#">1</a></li>
                                <li role="presentation"><a role="menuitem" tabindex="-1" href="#">2</a></li>
                                <li role="presentation"><a role="menuitem" tabindex="-1" href="#">3</a>
                            </ul>
                        </div>
                    </div>
                </div>
                <div class="col-md-3">
                    <div class="dropdown">
                        <div class="btn-group" id="thirdId">
                            <button class="btn btn-default dropdown-toggle disabled" type="button"
                                    data-toggle="dropdown">
                                Categories
                                <span class="caret"></span></button>
                            <ul class="dropdown-menu" role="menu" aria-labelledby="menu1">
                                <li role="presentation"><a role="menuitem" tabindex="-1" href="#">1</a></li>
                                <li role="presentation"><a role="menuitem" tabindex="-1" href="#">2</a></li>
                                <li role="presentation"><a role="menuitem" tabindex="-1" href="#">3</a>
                                </li>
                                <li role="presentation" class="divider"></li>
                                <li role="presentation"><a role="menuitem" tabindex="-1" href="#">4</a></li>
                            </ul>
                        </div>
                    </div>
                </div>
                <div class="col-md-3">
                    <div class="dropdown">
                        <div class="btn-group" id="fourthId">
                            <button class="btn btn-default dropdown-toggle disabled" type="button"
                                    data-toggle="dropdown">
                                Products
                                <span class="caret"></span></button>
                            <ul class="dropdown-menu" role="menu" aria-labelledby="menu1">
                                <li role="presentation"><a role="menuitem" tabindex="-1" href="#">1</a></li>
                                <li role="presentation"><a role="menuitem" tabindex="-1" href="#">2</a></li>
                                <li role="presentation"><a role="menuitem" tabindex="-1" href="#">3</a>
                                </li>
                                <li role="presentation" class="divider"></li>
                                <li role="presentation"><a role="menuitem" tabindex="-1" href="#">4</a></li>
                            </ul>
                        </div>
                    </div>
                </div>
            </div>

Answer 1

JQUERY

 $('#firstId ul.dropdown-menu li').on('click',function(){
    $('.btn.btn-default.dropdown-toggle.disabled').removeClass('disabled');
    });

在 firstId select 上找到所有 class 禁用并删除 class 禁用

JSFIDDLE DEMO

琐碎的 JavaScript / Bootstrap 下拉问题

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