<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<style>
#div {
width: 100%;
height: 200px;
background: rosybrown;
}
#button {
position: absolute;
}
</style>
</head>
<body>
<div id="div">
<button id="button">看我的魔法屌不屌</button>
</div>
<script>
var button = document.getElementById('button')
button.ontouchstart = function(e) {
var startX = e.touches[0].clientX - this.offsetLeft;
var startY = e.touches[0].clientY - this.offsetTop;
this.ontouchmove = function(e) {
button.style.left = e.touches[0].clientX - startX + 'px';
button.style.top = e.touches[0].clientY - startY + 'px';
}
}
button.ontouchend = function() {
button.ontouchmove = null;
}
</script>
</body>
</html>
JS实现简单移动端鼠标拖拽效果
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转载自blog.csdn.net/weixin_45050636/article/details/90202806
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