想改善這個問題?通過編輯這篇文章,更新問題,使其只關注一個問題。
是的,用JavaScript是可能的。在我了解JavaScript之前,我經常在w3schools上尋找執行我需要的功能的代碼片段。 您可以在這里找到代碼,只需復制到您的網站并根據您的需要進行修改: 超文本標記語言
<!-- Load an icon library to show a hamburger menu (bars) on small screens -->
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
<div class="topnav" id="myTopnav">
<a href="#home" class="active">Home</a>
<a href="#news">News</a>
<a href="#contact">Contact</a>
<a href="#about">About</a>
<a href="javascript:void(0);" class="icon" onclick="myFunction()">
<i class="fa fa-bars"></i>
</a>
</div>
半鑄鋼?鋼性鑄鐵(Cast Semi-Steel)
/* Add a black background color to the top navigation */
.topnav {
background-color: #333;
overflow: hidden;
}
/* Style the links inside the navigation bar */
.topnav a {
float: left;
display: block;
color: #f2f2f2;
text-align: center;
padding: 14px 16px;
text-decoration: none;
font-size: 17px;
}
/* Change the color of links on hover */
.topnav a:hover {
background-color: #ddd;
color: black;
}
/* Add an active class to highlight the current page */
.topnav a.active {
background-color: #04AA6D;
color: white;
}
/* Hide the link that should open and close the topnav on small screens */
.topnav .icon {
display: none;
}
/* When the screen is less than 600 pixels wide, hide all links, except for the first one ("Home"). Show the link that contains should open and close the topnav (.icon) */
@media screen and (max-width: 600px) {
.topnav a:not(:first-child) {display: none;}
.topnav a.icon {
float: right;
display: block;
}
}
/* The "responsive" class is added to the topnav with JavaScript when the user clicks on the icon. This class makes the topnav look good on small screens (display the links vertically instead of horizontally) */
@media screen and (max-width: 600px) {
.topnav.responsive {position: relative;}
.topnav.responsive a.icon {
position: absolute;
right: 0;
top: 0;
}
.topnav.responsive a {
float: none;
display: block;
text-align: left;
}
}
Java Script語言
/* Toggle between adding and removing the "responsive" class to topnav when the user clicks on the icon */
function myFunction() {
var x = document.getElementById("myTopnav");
if (x.className === "topnav") {
x.className += " responsive";
} else {
x.className = "topnav";
}
}