jquery - Bootstrap Accordion ，单击时滚动到事件 Accordion 的顶部，我将如何在嵌套 Accordion 上实现？

Question

我正在使用 Bootstrap 制作一个响应式网站，它包含带有大量文本的嵌套 Accordion ，当您读到底部并单击下一个 Accordion 时，大量文本被折叠，我留在了页面底部。

我从 Bootstrap accordion, scroll to top of active (open) accordion on click? 找到了这个有用的代码但它只滚动第一级。当我单击嵌套 Accordion 时，它滚动两次，并且滚动位置并不完美。我从上面提到的链接添加了以下脚本。

    $(document).ready(function(){                    $('.panel-collapse').on('shown.bs.collapse', function(e) {                      var $panel = $(this).closest('.panel');                      $('html,body').animate({                        scrollTop: $panel.offset().top                      }, 500);                    });                });

HTML

<pre>

        <br><br><br><br><br><br><br><br><br><br><br><br><br>
                <div class="bs-example" data-example-id="collapse-accordion">
                <div class="panel-group" id="accordion" role="tablist" aria-multiselectable="true">
                    <div class="panel panel-default">
                        <div class="panel-heading" role="tab" id="headingOne">
                            <h4 class="panel-title">
                                <a role="button" data-toggle="collapse" data-parent="#accordion" href="#collapseOne" aria-expanded="true" aria-controls="collapseOne" class=""> Collapsible Group Item #1 </a>
                            </h4>
                        </div>
                        <div id="collapseOne" class="panel-collapse collapse in" role="tabpanel" aria-labelledby="headingOne" aria-expanded="true">
                            <div class="panel-body">
                                Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus terry richardson ad squid. 3 wolf moon officia 
                                aute, non cupidatat skateboard dolor brunch. Food truck quinoa nesciunt laborum eiusmod. Brunch 3 wolf moon tempor, sunt aliqua put a bird on it squid single-origin coffee nulla assumenda shoreditch et. Nihil anim keffiyeh helvetica, craft beer labore wes anderson cred 
                                nesciunt sapiente ea proident. Ad vegan excepteur butcher vice lomo. Leggings occaecat craft beer farm-to-table, raw denim aesthetic synth nesciunt you probably haven't heard of them accusamus labore sustainable VHS.
                                <div class="panel-group" id="accordion1" role="tablist" aria-multiselectable="true">
                                    <div class="panel panel-default">
                                        <div class="panel-heading" role="tab" id="headingOne1">
                                            <h4 class="panel-title">
                                                <a role="button" data-toggle="collapse" data-parent="#accordion1" href="#collapseOne1" aria-expanded="true" aria-controls="collapseOne1" class=""> Collapsible Group Item #1 </a>
                                            </h4>
                                        </div>
                                        <div id="collapseOne1" class="panel-collapse collapse in" role="tabpanel" aria-labelledby="headingOne1" aria-expanded="true">
                                            <div class="panel-body"> Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus terry richardson ad squid. 3 
                                                wolf moon fficia aute, non cupidatat skateboard dolor brunch. Food truck quinoa nesciunt laborum eiusmod. Brunch 3 wolf  oon tempor, sunt aliqua put a bird on it squid single-origin coffee nulla assumenda shoreditch et. Nihil anim keffiyeh helvetica, craft beer labore wes anderson cred nesciunt sapiente ea proident. Ad vegan excepteur butcher vice  omo. Leggings occaecat craft beer farm-to-table, raw denim aesthetic synth nesciunt you probably haven't heard of them accusamus labore sustainable VHS.
                                            </div>
                                        </div>
                                        <div class="panel panel-default">
                                            <div class="panel-heading" role="tab" id="headingOne2">
                                                <h4 class="panel-title">
                                                    <a role="button" data-toggle="collapse" data-parent="#accordion2" href="#collapseOne2" aria-expanded="true" aria-controls="collapseOne2" class=""> Collapsible Group Item #2 </a>
                                                </h4>
                                            </div>
                                            <div id="collapseOne2" class="panel-collapse collapse in" role="tabpanel" aria-labelledby="headingOne2" aria-expanded="true">
                                                <div class="panel-body"> Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus terry richardson ad squid. 3 wolf moon  fficia aute, non cupidatat skateboard dolor brunch. Food truck quinoa nesciunt laborum eiusmod. Brunch 3 wolf moon tempor, sunt aliqua put a bird on it squid single-origin coffee nulla assumenda shoreditch et. Nihil anim keffiyeh helvetica, craft beer labore wes anderson cred nesciunt sapiente ea proident. Ad vegan excepteur butcher  ice lomo. Leggings occaecat craft beer farm-to-table, raw denim aesthetic synth nesciunt you probably haven't heard of them accusamus labore sustainable VHS.</div>
                                            </div>
                                            <div class="panel panel-default">
                                                <div class="panel-heading" role="tab" id="headingOne3">
                                                    <h4 class="panel-title">
                                                        <a role="button" data-toggle="collapse" data-parent="#accordion3" href="#collapseOne3" aria-expanded="true" aria-controls="collapseOne3" class=""> Collapsible Group Item #3 </a>
                                                    </h4>
                                                </div>
                                                <div id="collapseOne3" class="panel-collapse collapse in" role="tabpanel" aria-labelledby="headingOne3" aria-expanded="true">
                                                    <div class="panel-body"> Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus terry richardson ad squid. 3 wolf moon fficia aute, non cupidatat skateboard dolor brunch. Food truck quinoa nesciunt laborum eiusmod. Brunch 3 wolf moon tempor, sunt aliqua put a bird on it squid single-origin coffee nulla assumenda shoreditch et. Nihil anim keffiyeh helvetica, craft beer labore wes anderson cred nesciunt sapiente ea proident. Ad vegan  xcepteur butcher vice lomo. Leggings occaecat craft beer farm-to-table, raw denim aesthetic synth nesciunt you probably haven't heard of them accusamus labore sustainable VHS.
                                                    </div>
                                                </div>
                                            </div>
                                        </div>
                                    </div>
                                </div>
                            </div>
                            <div class="panel panel-default">
                                <div class="panel-heading" role="tab" id="headingTwo">
                                    <h4 class="panel-title"> <a class="collapsed" role="button" data-toggle="collapse" data-parent="#accordion" href="#collapseTwo" aria-expanded="false" aria-controls="collapseTwo"> Collapsible Group Item #2 </a> </h4>
                                </div>
                                <div id="collapseTwo" class="panel-collapse collapse" role="tabpanel" aria-labelledby="headingTwo" aria-expanded="false" style="height: 0px;">
                                    <div class="panel-body"> Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus terry richardson ad squid. 3 wolf moon officia aute, non cupidatat skateboard dolor brunch. Food truck quinoa nesciunt laborum eiusmod. Brunch 3 wolf moon tempor, sunt aliqua
                                        put a bird on it squid single-origin coffee nulla assumenda shoreditch et. Nihil anim keffiyeh helvetica, craft beer labore wes anderson cred nesciunt sapiente ea proident. Ad vegan excepteur butcher vice lomo. Leggings occaecat craft beer farm-to-table,
                                        raw denim aesthetic synth nesciunt you probably haven't heard of them accusamus labore sustainable VHS. 
                                    </div>
                                </div>
                            </div>
                            <div class="panel panel-default">
                                <div class="panel-heading" role="tab" id="headingThree">
                                    <h4 class="panel-title"> <a class="collapsed" role="button" data-toggle="collapse" data-parent="#accordion" href="#collapseThree" aria-expanded="false" aria-controls="collapseThree"> Collapsible Group Item #3 </a> </h4>
                                </div>
                                <div id="collapseThree" class="panel-collapse collapse" role="tabpanel" aria-labelledby="headingThree" aria-expanded="false" style="height: 0px;">
                                    <div class="panel-body"> Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus terry richardson ad squid. 3 wolf moon officia aute, non cupidatat skateboard dolor brunch. Food truck quinoa nesciunt laborum eiusmod. Brunch 3 wolf moon tempor, sunt aliqua
                                        put a bird on it squid single-origin coffee nulla assumenda shoreditch et. Nihil anim keffiyeh helvetica, craft beer labore wes anderson cred nesciunt sapiente ea proident. Ad vegan excepteur butcher vice lomo. Leggings occaecat craft beer farm-to-table,
                                        raw denim aesthetic synth nesciunt you probably haven't heard of them accusamus labore sustainable VHS. 
                                    </div>
                                </div>
                            </div>
                        </div>
                    </div>
                    <br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br>

    </pre>

Answer 1

尝试一下，添加 e.preventDefault() 和 e.stopPropagation() 以防止双击。

$('.panel-collapse').on('shown.bs.collapse', function(e) {
    e.preventDefault();  
    e.stopPropagation();

    var $panel = $(this).closest('.panel');
                  $('html,body').animate({
                    scrollTop: $panel.offset().top
                  }, 500);
});

https://jsfiddle.net/9frgj25z/14/