console
$(".btn").mousedown((e)=>{
e.preventDefault();
startX=e.pageX;
startY=e.pageY;
let dis;
$(document).mousemove((e)=>{
e.preventDefault();
moveEndX=e.pageX;
moveEndY=e.pageY;
$('.btn').css('left',moveEndX-10)
dis - e.clientX>0?console.log('向左移'):console.log('向右移')
dis = e.clientX
})
$(document).on('mouseup',()=>{
$(document).off('mousemove');
})
})
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
<div class="slide col-lg-5">
<button type="button" class="btn">滑动</button>
</div>
</body>
</html>
.slide .btn {
position: absolute;
left: 0px;
top: 2px;
}