/
gradient-carousel.html
executable file
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gradient-carousel.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>gradient carousel</title>
<link rel="stylesheet" href="">
<style>
ul,
li {
margin: 0;
padding: 0;
list-style: none;
}
.carousel {
position: relative;
overflow: hidden;
width: 1000px;
height: 562.5px;
margin: 40px auto;
}
.carousel .img-content {
position: relative;
}
.carousel .img-content>li {
width: 1000px;
height: 562.5px;
position: absolute;
display: none;
}
.carousel .img-content img {
width: 100%;
}
.carousel .arrow {
font-size: 2em;
font-weight: 1000;
line-height: 50px;
position: absolute;
z-index: 1;
top: 50%;
width: 50px;
height: 50px;
cursor: pointer;
transform: translateY(-50%);
text-align: center;
text-decoration: none;
color: white;
border: 1px solid white;
border-radius: 50%;
}
.carousel .pre {
left: 30px;
}
.carousel .next {
right: 30px;
}
.carousel .bullet {
font-size: 0;
position: absolute;
bottom: 10px;
left: 50%;
transform: translateX(-50%);
text-align: center;
}
.carousel .bullet>li {
display: inline-block;
width: 60px;
height: 15px;
margin: 0 5px;
cursor: pointer;
border: 1px solid white;
border-radius: 4px;
}
.active {
background: white;
}
</style>
</head>
<body>
<div class="container">
<div class="carousel">
<ul class="img-content">
<li><a href=""><img src="http://ov2hj85gi.bkt.clouddn.com/bing-daily-01.jpg" alt=""></a></li>
<li><a href=""><img src="http://ov2hj85gi.bkt.clouddn.com/bing-daily-02.jpg" alt=""></a></li>
<li><a href=""><img src="http://ov2hj85gi.bkt.clouddn.com/bing-daily-03.jpg" alt=""></a></li>
<li><a href=""><img src="http://ov2hj85gi.bkt.clouddn.com/bing-daily-04.jpg" alt=""></a></li>
</ul>
<span href="" class="arrow pre">
<</span>
<span href="" class="arrow next">></span>
<ul class="bullet">
<li class="active"></li>
<li></li>
<li></li>
<li></li>
</ul>
</div>
</div>
<script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.js"></script>
<script>
var $nextBtn = $('.carousel .next');
var $preBtn = $('.carousel .pre');
var $img = $('.carousel .img-content>li');
var imgCount = $img.length;
var $bullets = $('.bullet>li');
var pageIndex = 0;
var isAnimate = false;
play(0);
$nextBtn.click(function() {
playNext();
});
$preBtn.click(function() {
playPre();
});
$bullets.click(function() {
var index = $(this).index();
play(index);
});
function playNext() {
play((pageIndex + 1) % imgCount);
}
function playPre() {
play((imgCount + pageIndex - 1) % imgCount);
}
function play(index) {
if (isAnimate) return;
isAnimate = true;
$img.eq(pageIndex).fadeOut(700);
$img.eq(index).fadeIn(1000, function() {
isAnimate = false;
});
pageIndex = index;
setBullet();
}
function setBullet() {
$bullets.removeClass('active').eq(pageIndex).addClass('active');
}
function stopAuto() {
clearInterval(clock);
}
$(function() {
clock = setInterval(function() {
playNext();
}, 2000);
});
</script>
</body>
</html>