js -- img 随着鼠标滚轮的变化变化
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Language" content="zh-cn" />
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" >
<title>用鼠标滚轮滚动控制图片的缩小放大</title>
<style type="text/css">
</style>
<script language="javascript">
function bbimg(o){
var zoom = parseInt(o.style.zoom, 10) || 100;
zoom += event.wheelDelta / 100;
console.log(event.wheelDelta);
if (zoom > 0) {
o.style.zoom = zoom + '%';
}
return false;
}
</script>
</head>
<body>
<p>将鼠标放在图片上，点击一下，然后滚动鼠标滚轮试试看</p>
<p><img border="0" src="https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1528862370826&di=17ebe8a1a56a7fc6cc18b22aecd83679&imgtype=0&src=http%3A%2F%2Fb.hiphotos.baidu.com%2Fimage%2Fpic%2Fitem%2F96dda144ad345982b391b10900f431adcbef8415.jpg"
onmousewheel="return bbimg(this)"></p>
</body>
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原始发表：2018-06-15 ，如有侵权请联系 cloudcommunity@tencent.com 删除
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