//当我 设定HOVER
.menu_head:hover{ background:url(../images/menu_fouce_03.jpg) no-repeat;} 并且在JS内写入 $("div.menu_head").click(function()
{
$("div.menu_head").css("background","url(../images/menu_bg_03.gif) no-repeat");
$(this).css("background","url(../images/menu_fouce_03.jpg) no-repeat");
});HOVER事件 只在第一次页面初始的时候有效果 当我点击 .menu_head这个后 hover效果就不在出现了、还有就是 当我设定 $(xxxx).hover(function() {
$(this).css("background","url(../img/xxx.gif)");
},function() {
$(this).css("background","})
$(xxxx).click(function() {
$(this).css("background","url(../img/xxx.gif)");})
$(xxxx).click 将没有效果。 这些都是什么原因呢 有什么方法可以避免!!
路径是相对于你的网页文件
background:url(../images/menu_fouce_03.jpg) no-repeat;
这个路径是相对于你的CSS文件
{
$("div.menu_head").css("background","url(../images/menu_bg_03.gif) no-repeat");
$(this).css("background","url(../images/menu_fouce_03.jpg) no-repeat");//mouse click
});
$("div.menu_head").hover(
function () {
$(this).css("background","url(../images/menu_fouce_03.gif) no-repeat");//mouse over
},
function () {
$(this).css("background","url(../images/menu_bg_03.gif) no-repeat");//mouse leave
}
);
<script>
window.onload=function(){
var obj;
$("div.menu_head").click(function()
{
$("div.menu_head").css("background","red");
$(this).css("background","green");
obj=this;
});
$("div.menu_head").hover(
function(){
if(obj==this)return;
$(this).css("background","blue");
},function(){
obj=null;
$(this).css("background","red");
});
}
</script>
<style>
.menu_head { position:absolute;width:100px;height:100px;top:100px; background:red;}
hover {background:blue;}
#div1 { left:100px;}
#div2 { left:201px;}
#div3 { left:302px;}
</style>
<div class="menu_head" id=div1></div>
<div class="menu_head" id=div2></div>
<div class="menu_head" id=div3></div>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
<style type="text/css">
.main{
width:980px;
height:500px;
margin-left:auto;
margin-right:auto;
}
.list1{
height:20px;
list-style:none;
margin-left:20px;
}
.list1 li{
height:20px;
width:100px;
float:left;
margin-left:5px;
text-align:center;
}
.list1 li a:link,.list1 li a:visited{
display:block;
width:100px;
height:17px;
padding-top:3px;
background: #3366FF;
color:#fff;
font-size:12px;
}
.list1 li a:hover{
background:#FFCC00;
}
</style>
</head><body>
<div class="main">
<ul class="list1">
<li><a href="#" >菜单导航1</a></li>
<li><a href="#" >菜单导航1</a></li>
<li><a href="#" >菜单导航1</a></li>
<li><a href="#" >菜单导航1</a></li>
</ul>
</div>
</body>
</html>
<script>
window.onload=function(){
var obj;
$("div.menu_head").click(function()
{
$("div.menu_head").css("background","red");
$(this).css("background","green");
obj=this;
});
$("div.menu_head").hover(
function(){
$(this).css("background","blue");
},function(){
if(obj==this){
$(this).css("background","green");
}else{
$(this).css("background","red");
}
});
}
</script>
<style>
.menu_head { position:absolute;width:100px;height:100px;top:100px; background:red;}
hover {background:blue;}
#div1 { left:100px;}
#div2 { left:201px;}
#div3 { left:302px;}
</style>
<div class="menu_head" id=div1><a>aaaaaaaaaa</a></div>
<div class="menu_head" id=div2></div>
<div class="menu_head" id=div3></div>
.list1 li a:hover{
background:#FFCC00;
}
里的颜色换成图片就行了,如:
.list1 li a:hover{
background:url(../images/fk/fgb5.gif) no-repeat;
}
display:block;
width:100px;
height:17px;
padding-top:3px;
background: #3366FF;
color:#fff;
font-size:12px;
}
上面的要换成图片也是一样