jquery实现滚动页面字母索引进度效果代码
代码语言:html
所属分类:加载滚动
代码描述:jquery实现滚动页面字母索引进度效果代码
下面为部分代码预览,完整代码请点击下载或在bfwstudio webide中打开
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/jquery-3.2.1.min.js"></script>
<style>
html {
box-sizing:border-box;
}
*,*:after,*:before {
box-sizing:inherit;
}
html,body {
height:100%;
}
body {
font-family:"Roboto",Helvetica,Arial,sans-serif;
margin:0;
}
h1 {
margin:0;
padding:0;
}
section {
display:-webkit-box;
display:-ms-flexbox;
display:flex;
-webkit-box-pack:center;
-ms-flex-pack:center;
justify-content:center;
-webkit-box-align:center;
-ms-flex-align:center;
align-items:center;
color:rgba(0,0,0,0.5);
font-size:2rem;
min-height:100%;
height:100vh;
}
.Quick-navigation {
position:fixed;
z-index:1;
margin:0;
top:50%;
right:0;
-webkit-transform:translateY(-50%);
transform:translateY(-50%);
}
.Quick-navigation-item {
color:rgba(0,0,0,0.4);
text-decoration:none;
font-size:1.3em;
-webkit-transition:color 0.3s;
transition:color 0.3s;
padding:0.5em;
display:block;
}
.Quick-navigation-item:hover,.Quick-navigation-item.current {
color:#fff;
}
.Scroll-progress-indicator {
will-change:opacity,transform;
-webkit-transition:all 0.5s;
transition:all 0.5s;
left:-10px;
border-radius:2px;
position:absolute;
top:50%;
opacity:0;
padding:2em;
-webkit-transform:translateX(200%) translateY(-50%);
transform:translateX(200%) translateY(-50%);
background-color:rgba(0,0,0,0.1);
}
.Scroll-progress-indicator.visible {
-webkit-transform:translateX(-100%) translateY(-50%);
transform:translateX(-100%) translateY(-50%);
opacity:1;
}
#A {
background-color:#dc143c;
}
#B {
background-color:#eb2049;
height:600px;
}
#C {
background-color:#ed395d;
}
#D {
background-color:#ef5271;
height:200px;
}
#E {
background-color:#f26a85;
}
.Scroll-to-top {
position:fixed;
right:20px;
bottom:0;
background-color:rgba(0,0,0,0.2);
border:none;
color:rgba(255,255,255,0.5);
font-size:1.5rem;
padding:0.5em;
cursor:pointer;
opacity:0;
-webkit-transform:translateY(100%);
transform:translateY(100%);
-webkit-transition:all 0.3s;
transition:all 0.3s;
outline:none;
}
.Scroll-to-top.visible {
opacity:1;
-webkit-transform:translateY(0);
transform:translateY(0);
}
.Scroll-to-top:hover {
color:rgba(255,255,255,0.9);
}
</style>
</head>
<body>
<nav class="Quick-navigation">
<a href="#A" class="Quick-navigation-item">A</a>
<a href="#B" class="Quick-navigation-item">B</a>
<a href="#C" class="Quick-navigation-item">C</a>
<a href="#D" class="Quick-navigation-item">D</a>
<a href="#E" class="Quick-navigation-item">E</a>
<div class="Scroll-progress-indicator"></div>
</nav>
<section id="A" class="js-scroll-step">
<h1>A</h1>
</section>
<section id="B" class="js-scroll-step">
<h1>B</h1>
</section>
<section id="C" class="js-scroll-step">
<h1>C</h1>
</section>
<section id="D" class="js-scroll-step">
<h1>D</h1>
</section>
<section id="E" class="js-scroll-step">
<h1>E</h1>
</section>
<button class="Scroll-to-top">Scroll To Top</button>
<script>
(function() {
function throttle(fn, delay, scope) {
delay = delay || 250;
var last, defe.........完整代码请登录后点击上方下载按钮下载查看
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