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一款JS感应鼠标横向左右切换的焦点图切换效果

2015-05-20 17:05 405 查看

<!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-Type" content="text/html; charset=utf-8" />
<title>一款JS感应鼠标横向左右切换的焦点图切换效果丨石家庄欧美家具|石家庄二手家具回收</title>
<style type="text/css">
* { padding: 0; margin: 0; }
li { list-style: none; }
body { background: #f6f9fc; }
div { width: 420px; height: 240px; border: 1px solid #ccc; margin: 50px auto 0; overflow:hidden; }
ul { width: 2100px; height: 240px; }
ul li { width: 22px; height: 240px; float: left; position: relative; overflow:hidden; }
.active { width: 320px; }
ul span { width: 21px; height: 239px; padding-top: 10px; border-right: 1px solid #fff; position: absolute; top: 0; right: 0; color: #fff; font-size: 12px; text-align: center; cursor: pointer; }
ul img { width: 320px; height: 240px; }
.bg0 { background: #00FFCC; }
.bg1 { background: #636363; }
.bg2 { background: #3d7fbb; }
.bg3 { background: #5ca716; }
.bg4 { background: #f28b24; }
.bg5 { background: #7c0070; }
</style>
<script type="text/javascript">
var g_aLis = [];
var g_aBtns = [];
var g_oTimer = null;
var g_minWidth = 22;
window.onload = function() {
var a = document.getElementById('show1');
var i = 0;
g_aLis = a.getElementsByTagName('li');
g_aBtns = a.getElementsByTagName('span');
for (i = 0; i < g_aBtns.length; i++) {
g_aBtns[i].index = i;
g_aBtns[i].onmouseover = function() {
gotoImg(this.index)
}
}
};
function gotoImg(a) {
if (g_oTimer) {
clearInterval(g_oTimer)
}
g_oTimer = setInterval("changeWidthInner(" + a + ")", 35)
}
function changeWidthInner(a) {
var b = document.getElementById('show1');
var c = 420;
var w = 0;
var d = true;
var i = 0;
for (i = 0; i < g_aLis.length; i++) {
if (i == a) {
continue
}
if (g_minWidth == g_aLis[i].offsetWidth) {
c -= g_aLis[i].offsetWidth;
continue
}
d = false;
speed = Math.ceil((g_aLis[i].offsetWidth - g_minWidth) / 10);
w = g_aLis[i].offsetWidth - speed;
if (w <= g_minWidth) {
w = g_minWidth
}
g_aLis[i].style.width = w + 'px';
c -= w
}
g_aLis[a].style.width = c + 'px';
if (d) {
clearInterval(g_oTimer);
g_oTimer = null
}
}
</script>
</head>
<body>
<div>
<ul id="show1">
<li class="active">
<span class="bg0">这是第一个</span>
<img src="/images/m01.jpg">
</li>
<li>
<span class="bg1">这是第二个</span>
<img src="/images/m02.jpg">
</li>
<li>
<span class="bg2">这是第三个</span>
<img src="/images/m03.jpg">
</li>
<li>
<span class="bg3">这是第四个</span>
<img src="/images/m04.jpg">
</li>
<li>
<span class="bg4">这是第五个</span>
<img src="/images/m05.jpg">
</li>
<li>
<span class="bg5">这是第六个</span>
<img src="/images/m06.jpg">
</li>
</ul>
</div>
</body>
</html>
<br><br><hr>

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