自动轮播加手势滑动偏移
作者：互联网
自动轮播，并添加手势滑动偏移
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
* {
padding: 0;
margin: 0;
}
html,
body {
width: 100%;
height: 100%;
overflow: hidden;
}
.container {
width: 100%;
height: 100%;
display: flex;
align-items: center;
justify-content: center;
}
.awrad_outer {
width: 300px;
overflow: hidden;
}
.awrad_list {
width: 900px;
overflow: hidden;
}
.award_list_item {
float: left;
background-color: skyblue;
width: 100px;
height: 100px;
line-height: 100px;
text-align: center;
font-size: 20px;
font-weight: bold;
}
</style>
</head>
<body>
<div class="container">
<div class="awrad_outer">
<div class="awrad_list">
<div class="award_list_item">1</div>
<div class="award_list_item">2</div>
<div class="award_list_item">3</div>
<div class="award_list_item">4</div>
<div class="award_list_item">5</div>
<div class="award_list_item">6</div>
<div class="award_list_item">7</div>
<div class="award_list_item">8</div>
<div class="award_list_item">9</div>
</div>
</div>
</div>
</body>
<script>
var awrad_outer = document.querySelector('.awrad_outer');
var awrad_list = document.querySelector('.awrad_list');
var offsetVal = 0;
var downX = null;
function move() {
if (downX != null) {
return;
}
offsetVal--;
if (offsetVal <= -600) {
offsetVal = 0;
}
awrad_list.style.transform = `translateX(${offsetVal}px)`;
requestAnimationFrame(move)
}
move();
awrad_outer.addEventListener('touchstart', function (e) {
downX = e.targetTouches[0].clientX;
})
awrad_outer.addEventListener('touchmove', function (e) {
let clientX = e.targetTouches[0].clientX;
offsetVal += clientX - downX;
downX = clientX; // 修正参照值
if (offsetVal > 0) {
offsetVal = 0;
} else if (offsetVal < -600) {
offsetVal = -600;
}
awrad_list.style.transform = `translateX(${offsetVal}px)`;
})
awrad_outer.addEventListener('touchend', function (e) {
downX = null;
move();
})
</script>
</html>
标签：awrad,轮播,list,offsetVal,width,偏移,var,滑动,height 来源： https://www.cnblogs.com/shaoyunfeng93/p/16423555.html