[英]How to make dropdown menu close when opening another one
Hy.Im a iniciant in javascript. Hy.Im 是 javascript 的创始人。 I'm having trouble closing the dropdown when clicking on another open one.单击另一个打开的下拉菜单时,我无法关闭下拉菜单。
I try this:我试试这个:
on('click', '.navbar .dropdown > a', function(e) {
if (select('#navbar').classList.contains('navbar-mobile')) {
e.preventDefault()
this.nextElementSibling.classList.toggle('dropdown-active')
} else {
this.previousElementSibling.classList.remove('dropdown-active');
}
}, true)
dropdown image opened items Codepen code下拉图片打开的项目Codepen代码
Thank you for any help!感谢您的任何帮助!
a few days later.几天后。 this is my solution:这是我的解决方案:
Use querySelectorAll + forEach in .dropdown-active and then remove the class在.dropdown-active中使用querySelectorAll + forEach然后删除类
on('click', '.navbar .dropdown > a', function (e) {
if (select('#navbar').classList.contains('navbar-mobile')) {
e.preventDefault()
document.querySelectorAll(".dropdown-active").forEach(function (element) {
element.classList.remove("dropdown-active");
});
this.nextElementSibling.classList.toggle('dropdown-active')
}
}, true)
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