我正在使用Twitter Bootstrap的标签在每个标签中保存一个FAQ的手风琴。要求是为每个选项卡提供展开/折叠所有按钮以扩展/折叠答案。我目前有扩展/折叠按钮正常加载第一个选项卡。但是，当我单击另一个选项卡并执行相同的按钮时，它不起作用。当我单击返回加载的初始选项卡时，它不再有效。
以下是jsfiddle
HTML下面
<ul class="nav nav-tabs" id="tabFAQ">
<li class="active"><a href="#GQ">General Questions</a></li>
<li><a href="#ICQ">Insurance Coverage</a></li>
<li><a href="#PQ">Payment</a></li>
<li><a href="#FQ">Forms</a></li>
<li><a href="#CQ">Claims</a></li>
</ul>
<div class="tab-content" id="faqContent">
<div class="tab-pane active" id="GQ">
<div class="accordion" id="generalQuestions">
<div class="accordion-group">
<div class="accordion-heading">
<a class="accordion-toggle" data-toggle="collapse" data-parent="#generalQuestions" href="#collapseOne_GQ">Q. What do I do if I’m having trouble logging in?</a>
</div>
<div id="collapseOne_GQ" class="accordion-body collapse">
<div class="accordion-inner">A. Please contact our Customer Care team at 800-821-7303 for assistance. </div>
</div>
</div>
<div class="accordion-group">
<div class="accordion-heading">
<a class="accordion-toggle" data-toggle="collapse" data-parent="#generalQuestions" href="#collapseTwo_GQ">Q. Will additional online services be added to this portal?</a>
</div>
<div id="collapseTwo_GQ" class="accordion-body collapse">
<div class="accordion-inner">A. Yes. We will be adding many online services to this portal over the next six months. Please check back often.</div>
</div>
</div>
<div class="accordion-group">
<div class="accordion-heading">
<a class="accordion-toggle" data-toggle="collapse" data-parent="#generalQuestions" href="#collapseThree_GQ">Q. What information am I able to access on this portal?</a>
</div>
<div id="collapseThree_GQ" class="accordion-body collapse">
<div class="accordion-inner">A. We currently have the ability to display any premiums that are currently due and allow you to make an immediate one-time payment from your checking account, savings account, Visa or MasterCard. Your payment will be confirmed immediately. Other functions are planned to be added to the portal over the next six months. Check back often. </div>
</div>
</div>
<div class="accordion-group">
<div class="accordion-heading">
<a class="accordion-toggle" data-toggle="collapse" data-parent="#generalQuestions" href="#collapseFour_GQ">Q. Can I choose my own Username and Password?</a>
</div>
<div id="collapseFour_GQ" class="accordion-body collapse">
<div class="accordion-inner">A. Yes, you can choose your own Username and Password. We suggest using your email address for your Username, but any username that is between 8 and 20 characters long could be used. A secure Password should be 8 to 20 characters long, with no spaces, and contains at least one special character. </div>
</div>
</div>
<div class="accordion-group">
<div class="accordion-heading">
<a class="accordion-toggle" data-toggle="collapse" data-parent="#generalQuestions" href="#collapseFive_GQ">Q. Can I update by email address online?</a>
</div>
<div id="collapseFive_GQ" class="accordion-body collapse">
<div class="accordion-inner">A. Yes, but I have no idea how right now. </div>
</div>
</div>
</div>
</div>
<div class="tab-pane" id="ICQ">
<div class="accordion" id="Div1">
<div class="accordion-group">
<div class="accordion-heading"> <a class="accordion-toggle" data-toggle="collapse" data-parent="#accordion2" href="#collapseOne_ICQ">Q. Insurance Coverage question Stub for Later? </a> </div>
<div id="collapseOne_ICQ" class="accordion-body collapse">
<div class="accordion-inner">A. Answer stub for later. </div>
</div>
</div>
</div>
</div>
<div class="tab-pane" id="PQ">
<div class="accordion" id="accordion3">
<div class="accordion-group">
<div class="accordion-heading"> <a class="accordion-toggle" data-toggle="collapse" data-parent="#accordion3" href="#collapseOne_PQ">Q. When is my payment actually made to my account? </a> </div>
<div id="collapseOne_PQ" class="accordion-body collapse">
<div class="accordion-inner">A. Your payment is posted to your account within 24 hours after receipt of the funds. </div>
</div>
</div>
<div class="accordion-group">
<div class="accordion-heading"> <a class="accordion-toggle" data-toggle="collapse" data-parent="#accordion3" href="#collapseSeven_PQ">Q. What is a one-time payment? </a> </div>
<div id="collapseSeven_PQ" class="accordion-body collapse">
<div class="accordion-inner">A. This is a web-based service that enables our customers to make a single payment to pay their insurance premium. </div>
</div>
</div>
<div class="accordion-group">
<div class="accordion-heading"> <a class="accordion-toggle" data-toggle="collapse" data-parent="#accordion3" href="#collapseEight_PQ">Q. How do I know my payments are secure? </a> </div>
<div id="collapseEight_PQ" class="accordion-body collapse">
<div class="accordion-inner">A. Our portal uses encryption software and hardware to protect your information. For more information, view our <a href="#">Privacy Policy</a>. </div>
</div>
</div>
<div class="accordion-group">
<div class="accordion-heading"> <a class="accordion-toggle" data-toggle="collapse" data-parent="#accordion3" href="#collapseNine_PQ">Q. Can I use a debit card to make a one-time online payment? </a> </div>
<div id="collapseNine_PQ" class="accordion-body collapse">
<div class="accordion-inner">A. Yes, you can use your debit card. Your PIN is not required because this is a PIN-less debit transaction. </div>
</div>
</div>
<div class="accordion-group">
<div class="accordion-heading"> <a class="accordion-toggle" data-toggle="collapse" data-parent="#accordion3" href="#collapseTen_PQ">Q. Can I use a credit card to make a one-time online payment? </a> </div>
<div id="collapseTen_PQ" class="accordion-body collapse">
<div class="accordion-inner">A. Yes, you can use your Visa or MasterCard credit card to make a payment. </div>
</div>
</div>
</div>
</div>
<div class="tab-pane" id="FQ">
<div class="accordion" id="Div3">
<div class="accordion-group">
<div class="accordion-heading"> <a class="accordion-toggle" data-toggle="collapse" data-parent="#accordion2" href="#collapseOne_FQ">Q. Forms Question Stub for Later? </a> </div>
<div id="collapseOne_FQ" class="accordion-body collapse">
<div class="accordion-inner">A. Answer stub for later. </div>
</div>
</div>
</div>
</div>
<div class="tab-pane" id="CQ">
<div class="accordion" id="Div5">
<div class="accordion-group">
<div class="accordion-heading"> <a class="accordion-toggle" data-toggle="collapse" data-parent="#accordion2" href="#collapseOne_CQ">Q. Claims Question Stub for Later? </a> </div>
<div id="collapseOne_CQ" class="accordion-body collapse in">
<div class="accordion-inner">A. Answer stub for later. </div>
</div>
</div>
</div>
</div>
</div>
下面的Javascript：
$(document).ready(function () {
$('.modal').appendTo($("body"));
$('#tabFAQ a').click(function (e) {
e.preventDefault();
$(this).tab('show');
})
$('.expandcollapse').click(function () {
$('.collapse').each(function(index) {
$(this).collapse("toggle");
});
if ($(this).html() == "<i class=\"icon-white icon-plus-sign\"></i> Expand All") {
$(this).html("<i class=\"icon-white icon-minus-sign\"></i> Collapse All");
}
else {
$(this).html("<i class=\"icon-white icon-plus-sign\"></i> Expand All");
};
});
}）;
我想知道是不是因为在最初加载页面时没有在DOM中加载其他选项卡内容。所以我使用了jquery .each（）函数，希望即使它们最初没有加载也会切换。
当有人选择标签时，有人可以帮助我检测按钮停止工作的原因吗？
答案 0 :(得分：6)
首先，我看到您多次使用同一个锚点（href =“＃collapseOne”），请确保这些锚点都是唯一的以避免任何冲突。
答案 1 :(得分：6)
有两个问题：
1）Bootstrap使用scrollHeight转换.collapse div的高度，但是当没有显示元素时scrollHeight始终为0;单击“全部展开”按钮时，无法正确设置隐藏选项卡中.collapse div的高度。
2）ontransitionend事件不会触发未显示的元素。 Bootstrap在其崩溃方法中设置一个标志（转换），该方法在ontransitionend中重置，但ontransitionend永远不会为未显示的元素触发。单击全部展开按钮后，Bootstrap认为所有未显示的.collapse div都处于转换状态，并且每次对这些div的折叠方法的后续调用都会被短路。
由于您无法控制其中任何一个问题，因此需要做的是仅在单击“展开/折叠全部”按钮时折叠活动标签的div并更新折叠在标签变为活动状态时设置div。
我将它们放在一起更新jsfiddle。
更新了HTML：
<ul class="nav nav-tabs" id="tabFAQ">
<li class="active"><a href="#GQ" data-toggle="tab" state="0">General Questions</a></li>
<li><a href="#ICQ" data-toggle="tab" state="0">Insurance Coverage</a></li>
<li><a href="#PQ" data-toggle="tab" state="0">Payment</a></li>
<li><a href="#FQ" data-toggle="tab" state="0">Forms</a></li>
<li><a href="#CQ" data-toggle="tab" state="0">Claims</a></li>
</ul>
<div class="tab-content" id="faqContent">
<div class="tab-pane active" id="GQ">
<div class="accordion" id="generalQuestions">
<div class="accordion-group">
<div class="accordion-heading">
<a class="accordion-toggle" data-toggle="collapse" data-parent="#generalQuestions" href="#collapseOne">Q. What do I do if I’m having trouble logging in?</a>
</div>
<div id="collapseOne" class="accordion-body collapse">
<div class="accordion-inner">A. Please contact our Customer Care team at 800-821-7303 for assistance. </div>
</div>
</div>
<div class="accordion-group">
<div class="accordion-heading">
<a class="accordion-toggle" data-toggle="collapse" data-parent="#generalQuestions" href="#collapseTwo">Q. Will additional online services be added to this portal?</a>
</div>
<div id="collapseTwo" class="accordion-body collapse">
<div class="accordion-inner">A. Yes. We will be adding many online services to this portal over the next six months. Please check back often.</div>
</div>
</div>
<div class="accordion-group">
<div class="accordion-heading">
<a class="accordion-toggle" data-toggle="collapse" data-parent="#generalQuestions" href="#collapseThree">Q. What information am I able to access on this portal?</a>
</div>
<div id="collapseThree" class="accordion-body collapse">
<div class="accordion-inner">A. We currently have the ability to display any premiums that are currently due and allow you to make an immediate one-time payment from your checking account, savings account, Visa or MasterCard. Your payment will be confirmed immediately. Other functions are planned to be added to the portal over the next six months. Check back often. </div>
</div>
</div>
<div class="accordion-group">
<div class="accordion-heading">
<a class="accordion-toggle" data-toggle="collapse" data-parent="#generalQuestions" href="#collapseFour">Q. Can I choose my own Username and Password?</a>
</div>
<div id="collapseFour" class="accordion-body collapse">
<div class="accordion-inner">A. Yes, you can choose your own Username and Password. We suggest using your email address for your Username, but any username that is between 8 and 20 characters long could be used. A secure Password should be 8 to 20 characters long, with no spaces, and contains at least one special character. </div>
</div>
</div>
<div class="accordion-group">
<div class="accordion-heading">
<a class="accordion-toggle" data-toggle="collapse" data-parent="#generalQuestions" href="#collapseFive">Q. Can I update by email address online?</a>
</div>
<div id="collapseFive" class="accordion-body collapse">
<div class="accordion-inner">A. Yes, but I have no idea how right now. </div>
</div>
</div>
</div>
</div>
<div class="tab-pane" id="ICQ">
<div class="accordion" id="Div1">
<div class="accordion-group">
<div class="accordion-heading"> <a class="accordion-toggle" data-toggle="collapse" data-parent="#accordion2" href="#collapseOne">Q. Insurance Coverage question Stub for Later? </a> </div>
<div id="Div2" class="accordion-body collapse">
<div class="accordion-inner">A. Answer stub for later. </div>
</div>
</div>
</div>
</div>
<div class="tab-pane" id="PQ">
<div class="accordion" id="accordion3">
<div class="accordion-group">
<div class="accordion-heading"> <a class="accordion-toggle" data-toggle="collapse" data-parent="#accordion3" href="#collapseSix">Q. When is my payment actually made to my account? </a> </div>
<div id="collapseSix" class="accordion-body collapse">
<div class="accordion-inner">A. Your payment is posted to your account within 24 hours after receipt of the funds. </div>
</div>
</div>
<div class="accordion-group">
<div class="accordion-heading"> <a class="accordion-toggle" data-toggle="collapse" data-parent="#accordion3" href="#collapseSeven">Q. What is a one-time payment? </a> </div>
<div id="collapseSeven" class="accordion-body collapse">
<div class="accordion-inner">A. This is a web-based service that enables our customers to make a single payment to pay their insurance premium. </div>
</div>
</div>
<div class="accordion-group">
<div class="accordion-heading"> <a class="accordion-toggle" data-toggle="collapse" data-parent="#accordion3" href="#collapseEight">Q. How do I know my payments are secure? </a> </div>
<div id="collapseEight" class="accordion-body collapse">
<div class="accordion-inner">A. Our portal uses encryption software and hardware to protect your information. For more information, view our <a href="#">Privacy Policy</a>. </div>
</div>
</div>
<div class="accordion-group">
<div class="accordion-heading"> <a class="accordion-toggle" data-toggle="collapse" data-parent="#accordion3" href="#collapseNine">Q. Can I use a debit card to make a one-time online payment? </a> </div>
<div id="collapseNine" class="accordion-body collapse">
<div class="accordion-inner">A. Yes, you can use your debit card. Your PIN is not required because this is a PIN-less debit transaction. </div>
</div>
</div>
<div class="accordion-group">
<div class="accordion-heading"> <a class="accordion-toggle" data-toggle="collapse" data-parent="#accordion3" href="#collapseTen">Q. Can I use a credit card to make a one-time online payment? </a> </div>
<div id="collapseTen" class="accordion-body collapse">
<div class="accordion-inner">A. Yes, you can use your Visa or MasterCard credit card to make a payment. </div>
</div>
</div>
</div>
</div>
<div class="tab-pane" id="FQ">
<div class="accordion" id="Div3">
<div class="accordion-group">
<div class="accordion-heading"> <a class="accordion-toggle" data-toggle="collapse" data-parent="#accordion2" href="#collapseOne">Q. Forms Question Stub for Later? </a> </div>
<div id="Div4" class="accordion-body collapse">
<div class="accordion-inner">A. Answer stub for later. </div>
</div>
</div>
</div>
</div>
<div class="tab-pane" id="CQ">
<div class="accordion" id="Div5">
<div class="accordion-group">
<div class="accordion-heading"> <a class="accordion-toggle" data-toggle="collapse" data-parent="#accordion2" href="#collapseOne">Q. Claims Question Stub for Later? </a> </div>
<div id="Div6" class="accordion-body collapse">
<div class="accordion-inner">A. Answer stub for later. </div>
</div>
</div>
</div>
</div>
</div>
更新了JavaScript：
$('.expandcollapse').click(function() {
var newstate = $(this).attr('state') ^ 1,
icon = newstate ? "minus" : "plus",
text = newstate ? "Collapse" : "Expand";
$('.nav-tabs').children().each(function(index) {
if($(this).hasClass('active')) {
var tab = $(this).children(':first');
toggleTab(tab.prop('hash'));
tab.attr('state',newstate);
}
});
$(this).html("<i class=\"icon-white icon-" + icon + "-sign\"></i> " + text +" All");
$(this).attr('state',newstate)
});
$('a[data-toggle="tab"]').on('shown', function (e) {
var myState = $(this).attr('state'),
state = $('.expandcollapse').attr('state');
if(myState != state) {
toggleTab($(this).prop('hash'));
$(this).attr('state',state);
}
})
function toggleTab(id){
$(id).find('.collapse').each(function() {
$(this).collapse('toggle');
});
}