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这篇文章主要介绍了JS如何实现可用滑块滑动的缓动，具有一定借鉴价值，感兴趣的朋友可以参考下，希望大家阅读完这篇文章之后大有收获，下面让小编带着大家一起了解一下。
尝试模仿京东的“发现好货”模块的可用滑块滑动的缓动图
JS代码
function $(id) { return document.getElementById(id); }
//缓动轮播图
var fhTimer;
var fhNum = 0;
var barNum = 0;
fhTimer = setInterval(marquee, 20);
function marquee() {
fhNum--;
barNum = fhNum;
if(fhNum < -2400) {
fhNum = 0;
}
$("fhc_ul").style.left = fhNum + "px";
if(fhNum < -2400) {
barNum = fhNum + 2400;
}
$("fhc_dBar").style.left = -(barNum / 2.75) + "px";
}
$("fhcShow").onmouseover = function() {
$("fhc_d_box").style.display = "block";
clearInterval(fhTimer);
}
$("fhc_d_box").onmouseover = function() {
$("fhc_d_box").style.display = "block";
}
$("fhcShow").onmouseout = function() {
$("fhc_d_box").style.display = "none";
fhTimer = setInterval(marquee, 20);
}
//鼠标悬浮在标题也在暂停滚动
$("fhTit").onmouseover = function() {
clearInterval(fhTimer);
}
$("fhTit").onmouseout = function() {
fhTimer = setInterval(marquee, 20);
}
//滑块
$("fhc_dBar").onmousedown = function(event) {
var event = event || window.event;
var leftValue = event.clientX - this.offsetLeft;
document.onmousemove = function(event) {
var evt = event || window.event;
var locationX = evt.clientX - leftValue;
if(locationX < 0) {
locationX = 0;
}
else if(locationX > 960 - 99) {
locationX = 960 - 99;
}
$("fhc_dBar").style.left = locationX + "px";
fhNum = -locationX * 2.75;
//如果选中了，就取消选中，防止出现bug
window.getSelection ? window.getSelection().removeAllRanges() : document.selection.empty();
}
document.onmouseup = function() {
document.onmousemove = null;//取消注册的这个事件
}
}HTML代码
<div class="fxhh_ctt">
<div class="fh_c_show" id="fhcShow">
<ul class="fh_c_under" id="fhc_ul">
<li><a href=" " rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >
<p class="topTit">商品1</p>
<img src="" alt="">
</a></li>
<li><a href=" " rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >
<img src="" alt="">
<p class="botTit">商品2</p>
</a></li>
<li><a href=" " rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >
<p class="topTit">商品3</p>
<img src="" alt="">
</a></li>
<li><a href=" " rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >
<img src="" alt="">
<p class="botTit">商品4</p>
</a></li>
<li><a href=" " rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >
<p class="topTit">商品5</p>
<img src="" alt="">
</a></li>
<li><a href=" " rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >
<img src="" alt="">
<p class="botTit">商品6</p>
</a></li>
<li><a href=" " rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >
<p class="topTit">商品7</p>
<img src="" alt="">
</a></li>
<li><a href=" " rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >
<img src="" alt="">
<p class="botTit">商品8</p>
</a></li>
<li><a href=" " rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >
<p class="topTit">商品9</p>
<img src="" alt="">
</a></li>
<li><a href=" " rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >
<img src="" alt="">
<p class="botTit">商品10</p>
</a></li>
<li><a href=" " rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >
<p class="topTit">商品11</p>
<img src="" alt="">
</a></li>
<li><a href=" " rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >
<img src="" alt="">
<p class="botTit">商品12</p>
</a></li>
<li><a href=" " rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >
<p class="topTit">商品1</p>
<img src="" alt="">
</a></li>
<li><a href=" " rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >
<img src="" alt="">
<p class="botTit">商品2</p>
</a></li>
<li><a href=" " rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >
<p class="topTit">商品3</p>
<img src="" alt="">
</a></li>
<li><a href=" " rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >
<img src="" alt="">
<p class="botTit">商品4</p>
</a></li>
<li><a href=" " rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >
<p class="topTit">商品5</p>
<img src="" alt="">
</a></li>
</ul>
</div>
<!-- 滑块 -->
<div class="fhc_box" id="fhc_d_box">
<div class="fhc_drop" id="fhc_dBar"></div>
</div>
<!-- 滑块end -->
</div>
CSS代码
.fxhh .fxhh_ctt {
width: 990px;
background-color: #fff;
float: left;
}
.fxhh .fxhh_ctt .fh_c_show .fh_c_under img {
width: 150px;
height: 150px;
}
.fxhh .fxhh_ctt .fh_c_show {
width: 990px;
height: 260px;
background-color: #fff;
overflow: hidden;
position: relative;
}
.fxhh .fxhh_ctt .fh_c_show .fh_c_under {
width: 2000%;
position: absolute;
}
.fxhh .fxhh_ctt .fh_c_show .fh_c_under li {
float: left;
text-align: center;
width: 150px;
height: 180px;
margin-top: 40px;
margin-right: 50px;
}
.fxhh .fxhh_ctt .fh_c_show .fh_c_under li .topTit {
margin-bottom: 10px;
}
.fxhh .fxhh_ctt .fh_c_show .fh_c_under li .botTit {
margin-top: 10px;
}
.fxhh .fxhh_ctt .fhc_box {
display: none;
width: 960px;
height: 4px;
background-color: #f3f3f3;
margin: 0 auto;
position: absolute;
top: 250px;
left: 210px;
}
.fxhh .fxhh_ctt .fhc_drop {
width: 99px;
height: 9px;
border-radius: 4px;
background-color: #d8d8d8;
position: absolute;
top: -3px;
}感谢你能够认真阅读完这篇文章，希望小编分享的“JS如何实现可用滑块滑动的缓动”这篇文章对大家有帮助，同时也希望大家多多支持亿速云，关注亿速云行业资讯频道，更多相关知识等着你来学习!
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