再次单击时关闭javascript选项卡
我有带选项卡的部分,需要在再次单击选项卡时关闭这些选项卡 我认为这需要一个切换方法,但我不知道如何做到这一点 以下是HTML:再次单击时关闭javascript选项卡,javascript,Javascript,我有带选项卡的部分,需要在再次单击选项卡时关闭这些选项卡 我认为这需要一个切换方法,但我不知道如何做到这一点 以下是HTML: <div class="tab"> <button class="tablinks" id="tab1" onclick="openSubSvc(event, 'srv1-sub1')" >Sub-Service 1</button> <button class="tablinks" id="tab2" onclick="o
<div class="tab">
<button class="tablinks" id="tab1" onclick="openSubSvc(event, 'srv1-sub1')" >Sub-Service 1</button>
<button class="tablinks" id="tab2" onclick="openSubSvc(event, 'srv1-sub2')">Sub-Service 2</button>
<button class="tablinks" id="tab3" onclick="openSubSvc(event, 'srv1-sub3')">Sub-Service 3</button>
</div>
<div id="srv1-sub1" class="tab-content">
<p>Text</p>
</div>
<div id="srv1-sub2" class="tab-content">
<p>Text</p>
</div>
<div id="srv1-sub3" class="tab-content">
<p>Text</p>
</div>
因此,如果单击第一个选项卡并打开内容,我需要在再次单击时关闭内容。您可以检查单击的选项卡是否已可见。当您这样做时:
document.getElementById(subSvcName).style.display = "block";
首先,询问它是否已经是块
(未测试,前面的代码未列出):
您必须在单击的按钮上检查
active
class。我只是用if条件更新你的代码。谢谢
函数openSubSvc(evt,subSvcName){
var activeClass=evt.target.classList.contains(“活动”)
如果(!activeClass){
var i,tabcontent,tablinks;
tabcontent=document.getElementsByClassName(“选项卡内容”);
对于(i=0;i
次级服务1
次级服务2
次级服务3
文本1
文本2
文本3
您可以通过以下方式更新函数:
function openSubSvc(evt, subSvcName) {
var i, tabcontent, tablinks, me, shoulOpenTab;
me = document.getElementById(subSvcName);
// Checks if this tab has class active
isActive = me.classList.contains("active");
tabcontent = document.getElementsByClassName("tab-content");
for (i = 0; i < tabcontent.length; i++) {
tabcontent[i].style.display = "none";
}
tablinks = document.getElementsByClassName("tablinks");
for (i = 0; i < tablinks.length; i++) {
tablinks[i].className = tablinks[i].className.replace(" active", "");
}
// If this tab has active class onClick, you don't need to select again
if (!isActive) {
me.style.display = "block";
evt.currentTarget.className += " active";
}
}
函数openSubSvc(evt,subSvcName){
变量i、tabcontent、tablinks、me、shoulOpenTab;
me=document.getElementById(subSvcName);
//检查此选项卡是否有活动的类
isActive=me.classList.contains(“active”);
tabcontent=document.getElementsByClassName(“选项卡内容”);
对于(i=0;idocument.getElementById(subSvcName).style.display = "block";
var el = document.getElementById(subSvcName);
if (el.style.display !== 'none') {
el.style.display = 'none'; // hide if already visible
} else {
el.style.display = 'block' // show otherwise
}
function openSubSvc(evt, subSvcName) {
var i, tabcontent, tablinks, me, shoulOpenTab;
me = document.getElementById(subSvcName);
// Checks if this tab has class active
isActive = me.classList.contains("active");
tabcontent = document.getElementsByClassName("tab-content");
for (i = 0; i < tabcontent.length; i++) {
tabcontent[i].style.display = "none";
}
tablinks = document.getElementsByClassName("tablinks");
for (i = 0; i < tablinks.length; i++) {
tablinks[i].className = tablinks[i].className.replace(" active", "");
}
// If this tab has active class onClick, you don't need to select again
if (!isActive) {
me.style.display = "block";
evt.currentTarget.className += " active";
}
}