html - 汉堡菜单的问题
问题描述
我正在玩一个简单的汉堡包菜单,但不知何故我做错了。这个想法。
- 在更大的屏幕上,页面应该看起来像这样:
- 在较小的屏幕上,我们将看到一个汉堡菜单,如下所示:
- 汉堡可能会在点击时展开,如下所示:
到目前为止,一切都很好。这是我的主要想法如何构建它:
<div class="home-navbar">
<div class="home-navbar-logo-hamburger">
<!-- LOGO -->
<h1 class="logo">
<span class="text-primary"><i class="fas fa-book-open"></i> eL</span>Bi
</h1>
<!-- EO: LOGO -->
<!-- Hamburger menu -->
<div class="hamburger">
<i id="hamburger" class="fa-2x fas fa-bars"></i>
</div>
<!-- EO: Hamburger menu -->
</div>
<!-- Menus-->
<ul class="home-navbar-menu">
<li><a href="#">Home</a></li>
<li><a href="#">Work</a></li>
<li><a href="#">About</a></li>
</ul>
<!-- EO: Menus -->
</div>
</div>
简而言之,在更大的屏幕上:
- 汉堡菜单图标被隐藏
- 标志和真正的菜单是可见的,在 flex 布局中(flex 方向是行)
在较小的屏幕上:
汉堡图标可见
徽标也可见
真正的菜单尚不可见,但具有弹性布局(弹性方向为列)
当我们单击汉堡包时,使用以下 jquery 代码显示菜单:
$(document).ready(function () { $("#hamburger").click(function () { var visible = $(".home-navbar-menu").is(":visible"); if (!visible) { $(".home-navbar-menu").show(); } else { $(".home-navbar-menu").hide(); } }); })
问题:
- 展开屏幕并显示更大屏幕的菜单
- 缩短浏览器并移动到移动版本
- 打开和关闭移动菜单
- 展开画面
大屏幕的菜单不再可见......片段:
$(document).ready(function () {
$("#hamburger").click(function () {
var visible = $(".home-navbar-menu").is(":visible");
if (!visible) {
$(".home-navbar-menu").show();
} else {
$(".home-navbar-menu").hide();
}
});
})
@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@300&display=swap');
* {
box-sizing: border-box;
padding: 0;
margin: 0;
}
body {
font-family: 'Open Sans', sans-serif;
background: #fff;
color: #333;
line-height: 1.6;
}
.btn {
cursor: pointer;
display: inline-block;
margin-top: 20px;
padding: 10px 30px;
color: #fff;
background-color: #28a745;
border: none;
border-radius: 5px;
}
.home-header {
background: url('https://source.unsplash.com/1600x900/?nightsky') no-repeat center center/cover;
height: 100vh;
position: relative;
color: #fff;
}
.home-header .content {
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
text-align: center;
height: 100%;
padding: 20px 20px
}
.home-header .content h1 {
font-size: 3rem;
}
.home-footer {
width: 100%;
display: flex;
justify-content: flex-end;
align-items: right;
color: #fff;
z-index: 10;
position: fixed;
bottom: 0;
left: 0;
padding: 0 20px
}
.home-navbar {
position: fixed;
top: 0;
left: 0;
min-height: 70px;
z-index: 10;
width: 100%;
display: flex;
flex-direction: row;
justify-content: space-between;
color: #fff;
background: black;
}
.home-navbar-menu a {
color: #fff;
padding: 10px 20px;
margin: 0 5px;
text-decoration: none;
}
.home-navbar-menu li {
display: flex;
align-items: center;
}
.home-navbar-menu a:hover {
border-bottom: #28a745 2px solid;
}
/* Text colors */
.text-primary {
color: #28a745;
}
.hamburger {
display: none;
}
.home-navbar-logo-hamburger {
display: flex;
align-items: center;
}
.logo
{
margin-left: 20px;
}
.hamburger
{
margin-right: 20px;
}
.home-navbar-menu {
font-size: 1.2rem;
list-style: none;
display: flex;
flex-direction: row;
}
@media screen and (max-width: 724px) {
.hamburger {
display: block;
}
.home-navbar-logo-hamburger {
display: flex;
flex-direction: row;
justify-content: space-between;
align-items: center;
}
.home-navbar {
display: flex;
flex-direction: column;
}
.home-navbar-menu {
display: flex;
flex-direction: column;
justify-content: center;
display: none;
}
.home-navbar-menu a:hover {
border-bottom: none;
}
.home-navbar-menu li {
margin: 10px 20px;
padding-left: 10px;
text-align: center;
border-bottom: #28a745 2px solid;
}
}
<!DOCTYPE html>
<html lang="en">
<head>
<script src="https://kit.fontawesome.com/bdb2495b74.js" crossorigin="anonymous"></script>
<script
src="https://code.jquery.com/jquery-3.6.0.slim.min.js"
integrity="sha256-u7e5khyithlIdTpu22PHhENmPcRdFiHRjhAuHcs05RI="
crossorigin="anonymous"></script>
</head>
<body>
<div class="home-navbar">
<div class="home-navbar-logo-hamburger">
<!-- LOGO -->
<h1 class="logo">
<span class="text-primary"><i class="fas fa-book-open"></i> dA</span>Ba
</h1>
<!-- EO: LOGO -->
<!-- Hamburger menu -->
<div class="hamburger">
<i id="hamburger" class="fa-2x fas fa-bars"></i>
</div>
<!-- EO: Hamburger menu -->
</div>
<!-- Menus-->
<ul class="home-navbar-menu">
<li><a href="#">Home</a></li>
<li><a href="#">Work</a></li>
<li><a href="#">About</a></li>
</ul>
<!-- EO: Menus -->
</div>
<!-- Content -->
<header class="home-header">
<div class="content">
<h1>Test!</h1>
<h2>Test test test</h2>
</div>
</header>
<!-- EO: Content -->
<!-- Footer -->
<footer class="home-footer">
<div>© Acme 2021</div>
</footer>
<!-- EO: Footer -->
</body>
</html>
任何关于如何构建菜单的建议都值得赞赏。
解决方案
这是你media query
加上你jQuery
造成的问题。
添加这将解决它:
@media screen and (min-width: 724px) {
.home-navbar-menu {
display: flex!important;
}
}
你的js
/ jQuery
:
$(document).ready(function () {
$("#hamburger").click(function () {
var visible = $(".home-navbar-menu").is(":visible");
if (!visible) {
$(".home-navbar-menu").show();
} else {
$(".home-navbar-menu").hide();
}
});
})
当您的页面折叠到较小/移动视图时,它会通过您的css
. 当您想再次显示菜单时,您正在使用汉堡菜单切换,因此jQuery
发挥作用;这是show
/ hide
(在您的情况下显示 flex/display none(理想情况下))。
当您将菜单设置为隐藏在较小的屏幕上时,您实际所做的是将其设置为display:none
. 因此,当返回到更大尺寸的屏幕时,它仍然是隐藏的。
这个答案的media query
顶部迫使它重新展示自己,覆盖jQuery
hide
.
您也可以通过将js
/jQuery
更改为此来简化它:
完成品:
$(document).ready(function () {
$("#hamburger").click(function () {
$(".home-navbar-menu").toggle();
});
})
@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@300&display=swap');
* {
box-sizing: border-box;
padding: 0;
margin: 0;
}
body {
font-family: 'Open Sans', sans-serif;
background: #fff;
color: #333;
line-height: 1.6;
}
.btn {
cursor: pointer;
display: inline-block;
margin-top: 20px;
padding: 10px 30px;
color: #fff;
background-color: #28a745;
border: none;
border-radius: 5px;
}
.home-header {
background: url('https://source.unsplash.com/1600x900/?nightsky') no-repeat center center/cover;
height: 100vh;
position: relative;
color: #fff;
}
.home-header .content {
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
text-align: center;
height: 100%;
padding: 20px 20px
}
.home-header .content h1 {
font-size: 3rem;
}
.home-footer {
width: 100%;
display: flex;
justify-content: flex-end;
align-items: right;
color: #fff;
z-index: 10;
position: fixed;
bottom: 0;
left: 0;
padding: 0 20px
}
.home-navbar {
position: fixed;
top: 0;
left: 0;
min-height: 70px;
z-index: 10;
width: 100%;
display: flex;
flex-direction: row;
justify-content: space-between;
color: #fff;
background: black;
}
.home-navbar-menu a {
color: #fff;
padding: 10px 20px;
margin: 0 5px;
text-decoration: none;
}
.home-navbar-menu li {
display: flex;
align-items: center;
}
.home-navbar-menu a:hover {
border-bottom: #28a745 2px solid;
}
/* Text colors */
.text-primary {
color: #28a745;
}
.hamburger {
display: none;
}
.home-navbar-logo-hamburger {
display: flex;
align-items: center;
}
.logo
{
margin-left: 20px;
}
.hamburger
{
margin-right: 20px;
}
.home-navbar-menu {
font-size: 1.2rem;
list-style: none;
display: flex;
flex-direction: row;
}
@media screen and (min-width: 724px) {
.home-navbar-menu {
display: flex!important;
}
}
@media screen and (max-width: 724px) {
.hamburger {
display: block;
}
.home-navbar-logo-hamburger {
display: flex;
flex-direction: row;
justify-content: space-between;
align-items: center;
}
.home-navbar {
display: flex;
flex-direction: column;
}
.home-navbar-menu {
display: flex;
flex-direction: column;
justify-content: center;
display: none;
}
.home-navbar-menu a:hover {
border-bottom: none;
}
.home-navbar-menu li {
margin: 10px 20px;
padding-left: 10px;
text-align: center;
border-bottom: #28a745 2px solid;
}
}
<!DOCTYPE html>
<html lang="en">
<head>
<script src="https://kit.fontawesome.com/bdb2495b74.js" crossorigin="anonymous"></script>
<script
src="https://code.jquery.com/jquery-3.6.0.slim.min.js"
integrity="sha256-u7e5khyithlIdTpu22PHhENmPcRdFiHRjhAuHcs05RI="
crossorigin="anonymous"></script>
</head>
<body>
<div class="home-navbar">
<div class="home-navbar-logo-hamburger">
<!-- LOGO -->
<h1 class="logo">
<span class="text-primary"><i class="fas fa-book-open"></i> dA</span>Ba
</h1>
<!-- EO: LOGO -->
<!-- Hamburger menu -->
<div class="hamburger">
<i id="hamburger" class="fa-2x fas fa-bars"></i>
</div>
<!-- EO: Hamburger menu -->
</div>
<!-- Menus-->
<ul class="home-navbar-menu">
<li><a href="#">Home</a></li>
<li><a href="#">Work</a></li>
<li><a href="#">About</a></li>
</ul>
<!-- EO: Menus -->
</div>
<!-- Content -->
<header class="home-header">
<div class="content">
<h1>Test!</h1>
<h2>Test test test</h2>
</div>
</header>
<!-- EO: Content -->
<!-- Footer -->
<footer class="home-footer">
<div>© Acme 2021</div>
</footer>
<!-- EO: Footer -->
</body>
</html>
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