仿Flash的jquery横向滑动菜单
代码简介：
再发一个仿Flash的jquery滑动菜单，横向，延时效果明显，如果觉得延时太长的话，自己可以修改参数，通过这个菜单主要是想向大家掌握一些jQuery生成动画的技巧，同时这也是jquery强大功能的体现。
代码内容：
<!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>
<title>仿Flash的jquery横向滑动菜单_网页代码站(www.webdm.cn)</title>
<script type="text/javascript" src="http://www.webdm.cn/themes/script/jquery.js"></script>
<script type="text/javascript">
(function($) {
$.fn.hoverIntent = function(f,g) {
// default configuration options
var cfg = {
sensitivity: 7,
interval: 100,
timeout: 0
};
// override configuration options with user supplied object
cfg = $.extend(cfg, g ? { over: f, out: g } : f );
// instantiate variables
// cX, cY = current X and Y position of mouse, updated by mousemove event
// pX, pY = previous X and Y position of mouse, set by mouseover and polling interval
var cX, cY, pX, pY;
// A private function for getting mouse position
var track = function(ev) {
cX = ev.pageX;
cY = ev.pageY;
};
// A private function for comparing current and previous mouse position
var compare = function(ev,ob) {
ob.hoverIntent_t = clearTimeout(ob.hoverIntent_t);
// compare mouse positions to see if they've crossed the threshold
if ( ( Math.abs(pX-cX) + Math.abs(pY-cY) ) < cfg.sensitivity ) {
$(ob).unbind("mousemove",track);
// set hoverIntent state to true (so mouseOut can be called)
ob.hoverIntent_s = 1;
return cfg.over.apply(ob,[ev]);
} else {
// set previous coordinates for next time
pX = cX; pY = cY;
// use self-calling timeout, guarantees intervals are spaced out properly (avoids JavaScript timer bugs)
ob.hoverIntent_t = setTimeout( function(){compare(ev, ob);} , cfg.interval );
}
};
// A private function for delaying the mouseOut function
var delay = function(ev,ob) {
ob.hoverIntent_t = clearTimeout(ob.hoverIntent_t);
ob.hoverIntent_s = 0;
return cfg.out.apply(ob,[ev]);
};
// A private function for handling mouse 'hovering'
var handleHover = function(e) {
// next three lines copied from jQuery.hover, ignore children onMouseOver/onMouseOut
var p = (e.type == "mouseover" ? e.fromElement : e.toElement) || e.relatedTarget;
while ( p && p != this ) { try { p = p.parentNode; } catch(e) { p = this; } }
if ( p == this ) { return false; }
// copy objects to be passed into t (required for event object to be passed in IE)
var ev = jQuery.extend({},e);
var ob = this;
// cancel hoverIntent timer if it exists
if (ob.hoverIntent_t) { ob.hoverIntent_t = clearTimeout(ob.hoverIntent_t); }
// else e.type == "onmouseover"
if (e.type == "mouseover") {
// set "previous" X and Y position based on initial entry point
pX = ev.pageX; pY = ev.pageY;
// update "current" X and Y position based on mousemove
$(ob).bind("mousemove",track);
// start polling interval (self-calling timeout) to compare mouse coordinates over time
if (ob.hoverIntent_s != 1) { ob.hoverIntent_t = setTimeout( function(){compare(ev,ob);} , cfg.interval );}
// else e.type == "onmouseout"
} else {
// unbind expensive mousemove event
$(ob).unbind("mousemove",track);
// if hoverIntent state is true, then call the mouseOut function after the specified delay
if (ob.hoverIntent_s == 1) { ob.hoverIntent_t = setTimeout( function(){delay(ev,ob);} , cfg.timeout );}
}
};
// bind the function to the two event listeners
return this.mouseover(handleHover).mouseout(handleHover);
};
})(jQuery);
</script>
<script language="javascript">
$(function(){
hiConfig = {
sensitivity: 1,
interval: 100,
timeout: 100,
over: function() {
var x=$(this).offset().left-$("#menu_bar ul").offset().left;
$("#menu_bar span").animate({left:x+"px",top:'0px'},300);
}, // function = onMouseOver callback (REQUIRED)
out: function() {} // function = onMouseOut callback (REQUIRED)
}
$("#menu_bar li").hoverIntent(hiConfig)
})
</script>
<style>
body{text-align:center;font-size:12px;color:#333;font-family:"宋体";background:#fff;margin:0 auto;padding:0;}
body > div{text-align:center;margin-right:auto;margin-left:auto;}
div,form,ul,ol,li,span,p,dt,dd,dl{border:0;margin:0;padding:0;}
img,a img{border:0;margin:0;padding:0;}
h1,h2,h3,h4,h5,h6{font-size:12px;font-weight:400;margin:0;padding:0;}
ul,ol,li{list-style:none;}
td{word-break:break-all;}
a{color:#003cc8;text-decoration:none;}
a:hover{text-decoration:underline;color:blue;}
.f_tahoma{font-family:Tahoma;}
em,i{font-style:normal;}
#menu_bar{widtH:600px;margin:0 auto;background:#000066; position:relative;height:30px;border:1px solid #CCCCCC}
#menu_bar ul{height:30px;overflow:hidden; position:absolute;z-index:2;left:0px;top:0px;line-height:30px;}
#menu_bar li{width:100px;float:left;text-align:center;font-size:14px;font-weight:bold}
#menu_bar li a{color:#fff}
#menu_bar li a:hover{color:#ff7800}
#menu_bar span{display:block;position:absolute;background:#fff;filter: alpha(Opacity=40);opacity: 0.4;-moz-opacity: 0.4;-khtml-opacity: 0.4;width:100px;z-
index:1;height:30px;left:0px;top:0px;}
</style>
</head>
<body>
<div id="menu_bar">
<ul>
<li><a href="#" target="_blank">首页</a></li>
<li><a href="#" target="_blank">ASP</a></li>
<li><a href="#" target="_blank">PHP</a></li>
<li><a href="#" target="_blank">ASP.NET</a></li>
<li><a href="#" target="_blank">DELPHI</a></li>
<li><a href="#" target="_blank">VC++</a></li>
</ul>
<span></span>
</div>
<br />
<p><a href="http://www.webdm.cn">网页代码站</a> - 最专业的网页代码下载网站 - 致力为中国站长提供有质量的网页代码！</p>
</body>
</html>
代码来自：http://www.webdm.cn/webcode/1589ab15-3191-46c0-a171-a18221fcec2f.html
