首先准备三张图片
<!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>视觉差</title><style>#div1{width: 1400px;height: 800px; background-image:url(./img/001.jpg) ;background-attachment: fixed;}#div2{width: 1400px;height: 800px; background-image:url(./img/002.jpg) ;background-attachment: fixed;}#div3{width: 1400px;height: 800px; background-image:url(./img/003.jpg) ;background-attachment: fixed;}</style>
</head>
<body><div id="div1"></div><div id="div2"></div><div id="div3"></div>
</body>
</html>运行结果
下拉
下拉
 自定义控件属性(下))
