<!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>
* {
box-sizing: border-box;
}
#container {
position: relative;
width: 500px;
margin: 50px auto;
height: 400px;
border: 2px solid #4439e4;
}
#cube {
width: 50px;
height: 50px;
border-radius: 50%;
background: #e4393c;
position: absolute;
left: 0;
top: 0;
}
#dragLine {
position: absolute;
left: 50%;
top:0;
width: 10px;
height: 100%;
background: #22c46b;
cursor:pointer;
}
</style>
</head>
<body>
<div id="container">
<div id="dragLine"></div>
<div id="cube"></div>
</div>
<script src="./plugin/jquery-1.11.3.min.js"></script>
<script>
let isClick = false;
$('#dragLine').mousedown(function(e){
isClick = true;
console.log('drag start');
}).mouseup(function(e){
isClick = false;
console.log('drag complete');
}).mousemove(e => e.stopPropagation());
$('#container').mousemove(function(e){
if( isClick ){
let shift = e.offsetX;
shift >= 490 && (shift = 490);
$('#dragLine').css('left',shift + 'px');
$('#cube').css('left',shift-250+'px');
}
});
</script>
</body>
</html>圖片移動（未完待續）
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