实例
选择鼠标指针浮动在其上的元素，并设置其样式：
a:hover
{
background-color:yellow;
}
//hover,鼠标移入移出的另一种用法
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>左导航特效</title><style type="text/css">* {margin: 0px;padding: 0px;font-size: 12px;}#nav .navsBox {width: 160px;}#nav .navsBox .firstNav {height:45px;line-height:45px;background-color:#EBEBEB;border-left:10px solid #FE705C;padding-left:20px;width:130px;font-weight:bold;cursor: pointer;}#nav .navsBox ul {display:none;list-style:none;}#nav .navsBox ul li {display:block;height:45px;line-height:45px;padding-left:70px;width:90px;background-color:#F2F2F2;background-position:33px 7px;background-repeat:no-repeat;}#nav .navsBox ul li.jedh {background-image:url("./images/huan.gif");}#nav .navsBox ul li.jlbbyk {background-image:url("./images/you.gif");}#nav .navsBox ul li.jwljb {background-image:url("./images/gouwu.gif");}#nav .navsBox ul li.mrljb {background-image:url("./images/meiri.gif");}#nav .navsBox ul li.vipjtj {background-image:url("./images/zhe.gif");}#nav .navsBox ul li.onbg {background-color:#F9DBD1;}#nav .navsBox ul li a {color:#000;text-decoration:none;}</style><script src="js/jquery-1.11.3.min.js?1.1.11"></script><script>$(function () {
$(".firstNav").click(function () {var $ul= $(this).next(); if($ul.is(":visible")){
$ul.hide();
}else{
$ul.show();
$ul.children().hover(function () {
$(this).addClass("onbg");
},function () {
$(this).removeClass("onbg")
})
}
})
})</script></head><body><div id="nav"><div class="navsBox"><div class="firstNav">购物特权</div><ul><li class="jedh"><a href="#">全额兑换</a></li><li class="jlbbyk"><a href="#">俱乐部包邮卡</a></li><li class="jwljb"><a href="#">购物领金币</a></li><li class="mrljb"><a href="#">每日领金币</a></li><li class="vipjtj"><a href="#">VIP阶梯价</a></li></ul></div></div></body></html>
以上就是hover的一个实例教程的详细内容，更多请关注php中文网其它相关文章！
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