这次给大家带来js做出移动端触摸轮播效果，js做出移动端触摸轮播效果的注意事项有哪些，下面就是实战案例，一起来看一下。
下面是移动端手指滑动轮播图的完整代码。
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
<style>
*{margin:0;padding:0;}
li{list-style:none;}
.lb{width:320px;height:130px;position:relative;margin:20px auto;overflow: hidden;}
.lb .lb_img{width:2240px;height:130px;position:absolute;left:-320px;}
.lb .lb_img img{width:320px;height:130px;float:left;display:block;}
.lb ul{width:35px;height:4px;position:absolute;bottom:10px;left:50%;margin-left:-15px;}
.lb ul li{width:4px;height:4px;border-radius:2px;border:0.25px solid #fff;margin-left:2.5px;background:#666;float:left;cursor:pointer;}
.lb ul .active{background:#fff;}
.lb ul li:hover{background:#fff;}
</style>
</head>
<body>
<p class="lb">
<p class="lb_img">
<img src="img/4.jpg">
<img src="img/0.jpg">
<img src="img/1.jpg">
<img src="img/2.jpg">
<img src="img/3.jpg">
<img src="img/4.jpg">
<img src="img/0.jpg">
</p>
<ul>
<li class="active"></li>
<li></li>
<li></li>
<li></li>
<li></li>
</ul>
</p>
<script>
var lb = document.queryselector(.lb);
var lb_img = document.queryselector(.lb .lb_img);
var img = document.queryselectorall(.lb .lb_img img)
var lis = document.queryselectorall(.lb ul li);
var i=2;
// 初始化手指坐标点
var startpoint = 0;
var startele = 0;
//手指按下
lb.addeventlistener(touchstart,function(e){
startpoint = e.changedtouches[0].pagex;
startele = lb_img.offsetleft;
clearinterval(time)
});
//手指滑动
lb.addeventlistener(touchmove,function(e){
var currpoint = e.changedtouches[0].pagex;
var disx = currpoint - startpoint;
var left = startele + disx;
lb_img.style.left = left + px;
});
//当手指抬起的时候，
lb.addeventlistener(touchend,function(e){
var currpoint = e.changedtouches[0].pagex;
var disx = - (currpoint - startpoint);
var left = startele + disx;
if(disx > 150){
i++;
for(var q=0;q<lis.length;q++){
lis[q].classname = '';
}
if(i == 7){
i=2;
}
lis[i-2].classname= "active" ;
lb_img.style.left = -320*(math.round(disx/320)+i+1)+ 'px';
}else{
lb_img.style.left = -320*(i-1) + "px";
}
if(disx < -150){
i--;
for(var q=0;q<lis.length;q++){
lis[q].classname = '';
}
if(i == 1){
i=6;
}
lis[i-2].classname= "active" ;
lb_img.style.left = -320*(math.round(-disx/320)+i-2) + 'px';
}else{
lb_img.style.left = -320*(i-1) + "px";
}
time=setinterval(autoplay,2000);
})
//设置定时器
time=setinterval(autoplay,2000);
function autoplay(){
i++;
for(var q=0;q<lis.length;q++){
lis[q].classname = '';
}
if(i == 7){
i=2;
}
lis[i-2].classname= "active" ;
for(var a=0; a<320;a++){
settimeout(function(){
var left = lb_img.style.left ? lb_img.style.left : "-320px";
left = parseint(left)-1;
if(left<-1920){
left=-321;
}
lb_img.style.left = left + "px";
},a);
}
}
</script>
</body>
</html>
相信看了本文案例你已经掌握了方法，更多精彩请关注其它相关文章！
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以上就是js做出移动端触摸轮播效果的详细内容。