Achieve results html <div class="container"> <h1 class="title">Dropdown Menu</h1> <ul> <li class="dropdown"> <a href="#" data-toggle="dropdown">First Menu <i class="icon-arrow"></i></a> <ul class="dropdown-menu"> <li><a href="#">Home</a></li> <li><a href="#">About Us</a></li> <li><a href="#">Services</a></li> <li><a href="#">Contact</a></li> </ul> </li> <li class="dropdown"> <a href="#" data-toggle="dropdown">Second Menu <i class="icon-arrow"></i></a> <ul class="dropdown-menu"> <li><a href="#">Home</a></li> <li><a href="#">About Us</a></li> <li><a href="#">Services</a></li> <li><a href="#">Contact</a></li> </ul> </li> <li class="dropdown"> <a href="#" data-toggle="dropdown">Third Menu <i class="icon-arrow"></i></a> <ul class="dropdown-menu"> <li><a href="#">Home</a></li> <li><a href="#">About Us</a></li> <li><a href="#">Services</a></li> <li><a href="#">Contact</a></li> </ul> </li> </ul> <p class="text-center"> See this same menu only with CSS3: <a href="https://codepen.io/pedronauck/pen/jaluz" target="_blank">https://codepen.io/pedronauck/pen/jaluz</a> </p> </div> CSS @import url("https://fonts.googleapis.com/css?family=Lato:300,400,700,900"); @import url(https://fonts.googleapis.com/css?family=Pacifico); body { font-family: "Lato", Helvetica, Arial; font-size: 16px; } .text-center { text-align: center; } *, *:before, *:after { -webkit-border-sizing: border-box; -moz-border-sizing: border-box; border-sizing: border-box; } .container { width: 350px; margin: 50px auto; } .container > ul { list-style: none; padding: 0; margin: 0 0 20px 0; } .title { font-family: 'Pacifico'; font-weight: norma; font-size: 40px; text-align: center; line-height: 1.4; color: #2980B9; } .dropdown a { text-decoration: none; } .dropdown [data-toggle="dropdown"] { position: relative; display: block; color: white; background: #2980B9; -moz-box-shadow: 0 1px 0 #409ad5 inset, 0 -1px 0 #20638f inset; -webkit-box-shadow: 0 1px 0 #409ad5 inset, 0 -1px 0 #20638f inset; box-shadow: 0 1px 0 #409ad5 inset, 0 -1px 0 #20638f inset; text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.3); padding: 10px; } .dropdown [data-toggle="dropdown"]:hover { background: #2c89c6; } .dropdown .icon-arrow { position: absolute; display: block; font-size: 0.7em; color: #fff; top: 14px; right: 10px; } .dropdown .icon-arrow.open { -moz-transform:rotate(-180deg); -ms-transform:rotate(-180deg); -webkit-transform: rotate(-180deg); transform: rotate(-180deg); -moz-transition: -moz-transform 0.6s; -o-transition: -o-transform 0.6s; -webkit-transition: -webkit-transform 0.6s; transition: transform 0.6s; } .dropdown .icon-arrow.close { -moz-transform:rotate(0deg); -ms-transform:rotate(0deg); -webkit-transform: rotate(0deg); transform: rotate(0deg); -moz-transition: -moz-transform 0.6s; -o-transition: -o-transform 0.6s; -webkit-transition: -webkit-transform 0.6s; transition: transform 0.6s; } .dropdown .icon-arrow:before { content: '\25BC'; } .dropdown .dropdown-menu { max-height: 0; overflow: hidden; list-style: none; padding: 0; margin: 0; } .dropdown .dropdown-menu li { padding: 0; } .dropdown .dropdown-menu li a { display: block; color: #6f6f6f; background: #EEE; -moz-box-shadow: 0 1px 0 white inset, 0 -1px 0 #d5d5d5 inset; -webkit-box-shadow: 0 1px 0 white inset, 0 -1px 0 #d5d5d5 inset; box-shadow: 0 1px 0 white inset, 0 -1px 0 #d5d5d5 inset; text-shadow: 0 -1px 0 rgba(255, 255, 255, 0.3); padding: 10px 10px; } .dropdown .dropdown-menu li a:hover { background: #f6f6f6; } .dropdown .show, .dropdown .hide { -moz-transform-origin: 50% 0%; -ms-transform-origin: 50% 0%; -webkit-transform-origin: 50% 0%; transform-origin: 50% 0%; } .dropdown .show { display: block; max-height: 9999px; -moz-transform: scaleY(1); -ms-transform: scaleY(1); -webkit-transform: scaleY(1); transform: scaleY(1); animation: showAnimation 0.5s ease-in-out; -moz-animation: showAnimation 0.5s ease-in-out; -webkit-animation: showAnimation 0.5s ease-in-out; -moz-transition: max-height 1s ease-in-out; -o-transition: max-height 1s ease-in-out; -webkit-transition: max-height 1s ease-in-out; transition: max-height 1s ease-in-out; } .dropdown .hide { max-height: 0; -moz-transform: scaleY(0); -ms-transform: scaleY(0); -webkit-transform: scaleY(0); transform: scaleY(0); animation: hideAnimation 0.4s ease-out; -moz-animation: hideAnimation 0.4s ease-out; -webkit-animation: hideAnimation 0.4s ease-out; -moz-transition: max-height 0.6s ease-out; -o-transition: max-height 0.6s ease-out; -webkit-transition: max-height 0.6s ease-out; transition: max-height 0.6s ease-out; } @keyframes showAnimation { 0% { -moz-transform: scaleY(0.1); -ms-transform: scaleY(0.1); -webkit-transform: scaleY(0.1); transform: scaleY(0.1); } 40% { -moz-transform: scaleY(1.04); -ms-transform: scaleY(1.04); -webkit-transform: scaleY(1.04); transform: scaleY(1.04); } 60% { -moz-transform: scaleY(0.98); -ms-transform: scaleY(0.98); -webkit-transform: scaleY(0.98); transform: scaleY(0.98); } 80% { -moz-transform: scaleY(1.04); -ms-transform: scaleY(1.04); -webkit-transform: scaleY(1.04); transform: scaleY(1.04); } 100% { -moz-transform: scaleY(0.98); -ms-transform: scaleY(0.98); -webkit-transform: scaleY(0.98); transform: scaleY(0.98); } 80% { -moz-transform: scaleY(1.02); -ms-transform: scaleY(1.02); -webkit-transform: scaleY(1.02); transform: scaleY(1.02); } 100% { -moz-transform: scaleY(1); -ms-transform: scaleY(1); -webkit-transform: scaleY(1); transform: scaleY(1); } } @-moz-keyframes showAnimation { 0% { -moz-transform: scaleY(0.1); -ms-transform: scaleY(0.1); -webkit-transform: scaleY(0.1); transform: scaleY(0.1); } 40% { -moz-transform: scaleY(1.04); -ms-transform: scaleY(1.04); -webkit-transform: scaleY(1.04); transform: scaleY(1.04); } 60% { -moz-transform: scaleY(0.98); -ms-transform: scaleY(0.98); -webkit-transform: scaleY(0.98); transform: scaleY(0.98); } 80% { -moz-transform: scaleY(1.04); -ms-transform: scaleY(1.04); -webkit-transform: scaleY(1.04); transform: scaleY(1.04); } 100% { -moz-transform: scaleY(0.98); -ms-transform: scaleY(0.98); -webkit-transform: scaleY(0.98); transform: scaleY(0.98); } 80% { -moz-transform: scaleY(1.02); -ms-transform: scaleY(1.02); -webkit-transform: scaleY(1.02); transform: scaleY(1.02); } 100% { -moz-transform: scaleY(1); -ms-transform: scaleY(1); -webkit-transform: scaleY(1); transform: scaleY(1); } } @-webkit-keyframes showAnimation { 0% { -moz-transform: scaleY(0.1); -ms-transform: scaleY(0.1); -webkit-transform: scaleY(0.1); transform: scaleY(0.1); } 40% { -moz-transform: scaleY(1.04); -ms-transform: scaleY(1.04); -webkit-transform: scaleY(1.04); transform: scaleY(1.04); } 60% { -moz-transform: scaleY(0.98); -ms-transform: scaleY(0.98); -webkit-transform: scaleY(0.98); transform: scaleY(0.98); } 80% { -moz-transform: scaleY(1.04); -ms-transform: scaleY(1.04); -webkit-transform: scaleY(1.04); transform: scaleY(1.04); } 100% { -moz-transform: scaleY(0.98); -ms-transform: scaleY(0.98); -webkit-transform: scaleY(0.98); transform: scaleY(0.98); } 80% { -moz-transform: scaleY(1.02); -ms-transform: scaleY(1.02); -webkit-transform: scaleY(1.02); transform: scaleY(1.02); } 100% { -moz-transform: scaleY(1); -ms-transform: scaleY(1); -webkit-transform: scaleY(1); transform: scaleY(1); } } @keyframes hideAnimation { 0% { -moz-transform: scaleY(1); -ms-transform: scaleY(1); -webkit-transform: scaleY(1); transform: scaleY(1); } 60% { -moz-transform: scaleY(0.98); -ms-transform: scaleY(0.98); -webkit-transform: scaleY(0.98); transform: scaleY(0.98); } 80% { -moz-transform: scaleY(1.02); -ms-transform: scaleY(1.02); -webkit-transform: scaleY(1.02); transform: scaleY(1.02); } 100% { -moz-transform: scaleY(0); -ms-transform: scaleY(0); -webkit-transform: scaleY(0); transform: scaleY(0); } } @-moz-keyframes hideAnimation { 0% { -moz-transform: scaleY(1); -ms-transform: scaleY(1); -webkit-transform: scaleY(1); transform: scaleY(1); } 60% { -moz-transform: scaleY(0.98); -ms-transform: scaleY(0.98); -webkit-transform: scaleY(0.98); transform: scaleY(0.98); } 80% { -moz-transform: scaleY(1.02); -ms-transform: scaleY(1.02); -webkit-transform: scaleY(1.02); transform: scaleY(1.02); } 100% { -moz-transform: scaleY(0); -ms-transform: scaleY(0); -webkit-transform: scaleY(0); transform: scaleY(0); } } @-webkit-keyframes hideAnimation { 0% { -moz-transform: scaleY(1); -ms-transform: scaleY(1); -webkit-transform: scaleY(1); transform: scaleY(1); } 60% { -moz-transform: scaleY(0.98); -ms-transform: scaleY(0.98); -webkit-transform: scaleY(0.98); transform: scaleY(0.98); } 80% { -moz-transform: scaleY(1.02); -ms-transform: scaleY(1.02); -webkit-transform: scaleY(1.02); transform: scaleY(1.02); } 100% { -moz-transform: scaleY(0); -ms-transform: scaleY(0); -webkit-transform: scaleY(0); transform: scaleY(0); } } js // Dropdown Menu var dropdown = document.querySelectorAll('.dropdown'); var dropdownArray = Array.prototype.slice.call(dropdown,0); dropdownArray.forEach(function(el){ var button = el.querySelector('a[data-toggle="dropdown"]'), menu = el.querySelector('.dropdown-menu'), arrow = button.querySelector('i.icon-arrow'); button.onclick = function(event) { if(!menu.hasClass('show')) { menu.classList.add('show'); menu.classList.remove('hide'); arrow.classList.add('open'); arrow.classList.remove('close'); event.preventDefault(); } else { menu.classList.remove('show'); menu.classList.add('hide'); arrow.classList.remove('open'); arrow.classList.add('close'); event.preventDefault(); } }; }) Element.prototype.hasClass = function(className) { return this.className && new RegExp("(^|\\s)" + className + "(\\s|$)").test(this.className); }; The above is the detailed content of the drop-down menu implemented by HTML+CSS3+JS. For more information about HTML+CSS3+JS drop-down menu, please pay attention to other related articles on 123WORDPRESS.COM! |
<<: Detailed explanation of html download function
>>: Using shadowsocks to build a LAN transparent gateway
SQLyog connects to mysql error number 1129: mysql...
When installing FileZilla Server on the server, t...
Table of contents 1. Environmental Preparation 2....
Overview The fundamental difference between async...
Table of contents Preface 1. What is scalability?...
Table of contents Background of this series Overv...
Building an image is a very important process in ...
Table of contents Preface System environment Curr...
Multi-way search tree Height of a complete binary...
This article shares the specific code of jQuery t...
<br />Reading is a very important part of th...
When we want to add a shadow to a rectangle or ot...
If you are a developer looking to get into the wo...
background: As a DBA, most of the DDL changes of ...
In some scenarios, we need to modify our varchar ...