[HTML]簡易選單製作

首先html部分

<div class="header" style="height:300px;">
</div>
<section class="section section--menu" id="Alonso">
<nav class="menu menu--alonso">
<ul class="menu__list">
<li class="menu__item"><a href="#" class="menu__link">NEWS</a></li>
<li class="menu__item"><a href="#" class="menu__link">PROJECT</a></li>
<li class="menu__item"><a href="#" class="menu__link">RESERVATION</a></li>
<li class="menu__item"><a href="#" class="menu__link">CONTECT</a></li>
</ul>
<div id="dl-menu" class="dl-menuwrapper">
<button class="dl-trigger">Open Menu</button>
<ul class="dl-menu">
<li><a href="#">NEWS</a></li>
<li><a href="#">PROJECT</a></li>
<li><a href="#">RESERVATION</a></li>
<li><a href="#">CONTECT</a></li>
</ul>
</div>
</nav>
</section>
<div style="height:300px;">
</div>
<div style="height:300px;">
</div>
<div style="height:300px;">
</div>
<div style="height:300px;">
</div>
<div style="height:300px;">
</div>
<div style="height:300px;">
</div>
<div style="height:300px;">
</div>
<div style="height:300px;">
</div>

CSS部分

<style>
body{
padding:0;
margin:0;
}
a {
text-decoration: none;
color: #4e3c3e;
outline: none;
}
a:hover,
a:focus {
color: #f48b95;
}
.section {
}
.menu--alonso{
display:block;
}
.section--menu {
position: relative;
}
.menu {
line-height: 1;
margin: 0 auto 3em;
}
.menu__list {
position: relative;
display: -webkit-flex;
display: flex;
-webkit-flex-wrap: wrap;
flex-wrap: wrap;
margin: 0;
padding: 0;
list-style: none;
-webkit-align-items: center;
        align-items: center;
-webkit-justify-content: center;
        justify-content: center;
background: burlywood;
}
.menu__item {
display: block;
margin: 1em 0;
}
.menu__list .selected a{
color: #f48b95;
}

.menu__link {
font-size: 1.05em;
font-weight: bold;
display: block;
padding: 1em;
cursor: pointer;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
-webkit-touch-callout: none;
-khtml-user-select: none;
-webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}
.menu__link:hover,
.menu__link:focus {
outline: none;
}
/* mobile style */
#dl-menu{
display: none;
}
.dl-menuwrapper button {
background: #ccc;
border: none;
width: 48px;
height: 45px;
text-indent: -900em;
overflow: hidden;
position: relative;
cursor: pointer;
outline: none;
}
.dl-menuwrapper button:hover,
.dl-menuwrapper button.dl-active,
.dl-menuwrapper ul {
background: #aaa;
}
.dl-menuwrapper button:after {
content: '';
position: absolute;
width: 68%;
height: 5px;
background: #fff;
top: 10px;
left: 16%;
box-shadow:
0 10px 0 #fff,
0 20px 0 #fff;
}
.dl-menuwrapper ul {
padding: 0;
list-style: none;
-webkit-transform-style: preserve-3d;
transform-style: preserve-3d;
}
.dl-menuwrapper li {
position: relative;
min-width: 300px;
}
.dl-menuwrapper li a {
display: block;
position: relative;
padding: 15px 20px;
font-size: 16px;
line-height: 20px;
font-weight: 300;
color: #fff;
outline: none;
}
.no-touch .dl-menuwrapper li a:hover {
background: rgba(255,248,213,0.1);
}
.dl-menuwrapper .dl-menu {
margin: 5px 0 0 0;
width: 100%;
opacity: 0;
pointer-events: none;
-webkit-transform: translateY(10px);
transform: translateY(10px);
-webkit-backface-visibility: hidden;
backface-visibility: hidden;
text-align: center;
}
.dl-menuwrapper .dl-menu.dl-menuopen {
opacity: 1;
pointer-events: auto;
-webkit-transform: translateY(0px);
transform: translateY(0px);
}
@media screen and (max-width:1025px) {
.menu__list {
display: none;
}
#dl-menu{
display: block;
width: 100%;
text-align: center;
}
}
</style>

javascript部分

<script>
jQuery(document).ready(function(){
jQuery('.menu__item').click(function(){
jQuery(this).addClass('selected');
jQuery(this).siblings('.selected').removeClass('selected');
});

var flag = false;
jQuery('.dl-trigger').click(function(){
if(flag == false){
jQuery(this).parents().find('.dl-menu').addClass('dl-menuopen');
flag = true;
}else{
jQuery(this).parents().find('.dl-menu').removeClass('dl-menuopen');
flag = false;
}
});
});
</script>
<script>
jQuery(document).ready(function(){
var hh = jQuery('.header').height();
var window_height;
jQuery(window).scroll(function() {
window_height = jQuery(document).scrollTop();
if(window_height > hh){
jQuery('.menu__list').css({position: 'fixed',top: '0', width: '100%', 'z-index': '9999', background: 'rgb(255, 255, 255)', left: '0px', height: '120px'});
}else{
jQuery('.menu__list').css({position: "relative"});
}
});
});
</script>