当用户的鼠标经过小图时，旁边放大显示大图效果，移开后图层自动隐藏，实用的图片放大显示特效。
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>鼠标经过小图旁边显示大图效果_武鸣人</title>
<meta name="keywords" content="武鸣人网站,武鸣信息网,武鸣本地网,武鸣信息资源平台,减肥,健身,励志,励志语录,js特效,网页特效,www.wuming.ren">
<meta name="description" content="欢迎来到武鸣人信息资源平台，各种信息免费发布，资源共享合作共赢，分享互联网流行的励志语录经典短句，减肥健身健康小常识及打卡记录，收集各种js特效代码。">
<style type="text/css">
html,body{overflow:hidden;}
body,div,ul,li{margin:0;padding:0;}
#box_www_wuming_ren ul{width:768px;height:172px;list-style-type:none;margin:10px auto;}
#box_www_wuming_ren li{float:left;width:170px;height:170px;cursor:pointer;display:inline;border:1px solid #ddd;margin:0 10px;}
#box_www_wuming_ren li.active{border:1px solid #a10000;}
#box_www_wuming_ren li img{width:170px;height:170px;vertical-align:top;}
#big_www_wuming_ren{position:absolute;width:400px;height:400px;border:2px solid #ddd;display:none;}
#big_www_wuming_ren div{position:absolute;top:0;left:0;width:400px;height:400px;opacity:0.5;filter:alpha(opacity=50);background:#fff url(/img/20240223_www_wuming_ren_6.gif) 50% 50% no-repeat;}
</style>
<script type="text/javascript">
window.onload = function ()
{//武鸣人网站https://www.wuming.ren 网站很好记住，wuming.ren(武鸣拼音.ren域名后缀)
var aLi = document.getElementsByTagName("li");
var oBig = document.getElementById("big_www_wuming_ren");
var oLoading = oBig.getElementsByTagName("div")[0];
var i = 0;
for (i = 0; i < aLi.length; i++)
{
aLi[i].index = i;
//鼠标划过, 预加载图片插入容器并显示
aLi[i].onmouseover = function ()
{
var oImg = document.createElement("img");
//图片预加载
var img = new Image();
img.src = oImg.src = aLi[this.index].getElementsByTagName("img")[0].src.replace(".jpg","_wuming.jpg");
//插入大图片
oBig.appendChild(oImg);
//鼠标移过样式
this.className = "active";
//显示big
oBig.style.display = oLoading.style.display = "block";
//判断大图是否加载成功
img.complete ? oLoading.style.display = "none" : (oImg.onload = function() {oLoading.style.display = "none";})
};
//鼠标移动, 大图容器跟随鼠标移动
aLi[i].onmousemove = function (event)
{
var event = event || window.event;
var iWidth = document.documentElement.offsetWidth - event.clientX;
//设置big的top值
oBig.style.top = event.clientY + 20 + "px";
//设置big的left值, 如果右侧显示区域不够, 大图将在鼠标左侧显示.
oBig.style.left = (iWidth < oBig.offsetWidth + 10 ? event.clientX - oBig.offsetWidth - 10 : event.clientX + 10) + "px";
};
//鼠标离开, 删除大图并隐藏大图容器
aLi[i].onmouseout = function ()
{
this.className = "";
oBig.style.display = "none";
//移除大图片
oBig.removeChild(oBig.lastChild)
}
}
};//武鸣人网站https://www.wuming.ren 网站很好记住，wuming.ren(武鸣拼音.ren域名后缀)
</script>
</head>
<body>
<a href="https://www.wuming.ren">武鸣人</a>，各种信息资源免费发布，分享励志语录经典短句，减肥健身常识，各种js特效代码。网站很好记住，wuming.ren(武鸣拼音.ren域名后缀)<hr>
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<script type="text/javascript" src="https://www.wuming.ren/ad/tc.js"></script>
<script type="text/javascript" src="https://www.wuming.ren/ad/a.js"></script>
<div id="box_www_wuming_ren">
<ul>
<li><img src="/img/20240223_wuming_ren_1.jpg" /></li>
<li><img src="/img/20240223_wuming_ren_2.jpg" /></li>
<li><img src="/img/20240223_wuming_ren_3.jpg" /></li>
<li><img src="/img/20240223_wuming_ren_4.jpg" /></li>
</ul>
</div>
<div id="big_www_wuming_ren"><div></div></div>
</body>
</html>