高手指点,当我把鼠标指向某些文字的时候能列出一个菜单,之后通过点击这个菜单上文字就能超连到相应页面,大家帮帮忙,老师给的课题,不会郁 你可以到网上找一些有这样效果的页面。然后自己看看Source。那些子页面都是图片。要用到Dreamware. 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 <style type="text/css">#dropmenudiv{position:absolute;border:1px solid black;border-bottom-width: 0;font:normal 12px Verdana;line-height:18px;z-index:100;}#dropmenudiv a{width: 100%;display: block;text-indent: 3px;border-bottom: 1px solid black;padding: 1px 0;text-decoration: none;font-weight: bold;}#dropmenudiv a:hover{ /*hover background color*/background-color: yellow;}</style><script type="text/javascript">//Contents for menu 1var menu1=new Array()menu1[0]='<a href="http://www.javascriptkit.com">JavaScript Kit</a>'menu1[1]='<a href="http://www.freewarejava.com">Freewarejava.com</a>'menu1[2]='<a href="http://codingforums.com">Coding Forums</a>'menu1[3]='<a href="http://www.cssdrive.com">CSS Drive</a>'//Contents for menu 2, and so onvar menu2=new Array()menu2[0]='<a href="http://cnn.com">CNN</a>'menu2[1]='<a href="http://msnbc.com">MSNBC</a>'menu2[2]='<a href="http://news.bbc.co.uk">BBC News</a>' var menuwidth='165px' //default menu widthvar menubgcolor='lightyellow' //menu bgcolorvar disappeardelay=250 //menu disappear speed onMouseout (in miliseconds)var hidemenu_onclick="yes" //hide menu when user clicks within menu?/////No further editting neededvar ie4=document.allvar ns6=document.getElementById&&!document.allif (ie4||ns6)document.write('<div id="dropmenudiv" style="visibility:hidden;width:'+menuwidth+';background-color:'+menubgcolor+'" onMouseover="clearhidemenu()" onMouseout="dynamichide(event)"></div>')function getposOffset(what, offsettype){var totaloffset=(offsettype=="left")? what.offsetLeft : what.offsetTop;var parentEl=what.offsetParent;while (parentEl!=null){totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;parentEl=parentEl.offsetParent;}return totaloffset;}function showhide(obj, e, visible, hidden, menuwidth){if (ie4||ns6)dropmenuobj.style.left=dropmenuobj.style.top="-500px"if (menuwidth!=""){dropmenuobj.widthobj=dropmenuobj.styledropmenuobj.widthobj.width=menuwidth}if (e.type=="click" && obj.visibility==hidden || e.type=="mouseover")obj.visibility=visibleelse if (e.type=="click")obj.visibility=hidden}function iecompattest(){return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body}function clearbrowseredge(obj, whichedge){var edgeoffset=0if (whichedge=="rightedge"){var windowedge=ie4 && !window.opera? iecompattest().scrollLeft+iecompattest().clientWidth-15 : window.pageXOffset+window.innerWidth-15dropmenuobj.contentmeasure=dropmenuobj.offsetWidthif (windowedge-dropmenuobj.x < dropmenuobj.contentmeasure)edgeoffset=dropmenuobj.contentmeasure-obj.offsetWidth}else{var topedge=ie4 && !window.opera? iecompattest().scrollTop : window.pageYOffsetvar windowedge=ie4 && !window.opera? iecompattest().scrollTop+iecompattest().clientHeight-15 : window.pageYOffset+window.innerHeight-18dropmenuobj.contentmeasure=dropmenuobj.offsetHeightif (windowedge-dropmenuobj.y < dropmenuobj.contentmeasure){ //move up?edgeoffset=dropmenuobj.contentmeasure+obj.offsetHeightif ((dropmenuobj.y-topedge)<dropmenuobj.contentmeasure) //up no good either?edgeoffset=dropmenuobj.y+obj.offsetHeight-topedge}}return edgeoffset}function populatemenu(what){if (ie4||ns6)dropmenuobj.innerHTML=what.join("")}function dropdownmenu(obj, e, menucontents, menuwidth){if (window.event) event.cancelBubble=trueelse if (e.stopPropagation) e.stopPropagation()clearhidemenu()dropmenuobj=document.getElementById? document.getElementById("dropmenudiv") : dropmenudivpopulatemenu(menucontents)if (ie4||ns6){showhide(dropmenuobj.style, e, "visible", "hidden", menuwidth)dropmenuobj.x=getposOffset(obj, "left")dropmenuobj.y=getposOffset(obj, "top")dropmenuobj.style.left=dropmenuobj.x-clearbrowseredge(obj, "rightedge")+"px"dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+obj.offsetHeight+"px"}return clickreturnvalue()}function clickreturnvalue(){if (ie4||ns6) return falseelse return true}function contains_ns6(a, b) {while (b.parentNode)if ((b = b.parentNode) == a)return true;return false;}function dynamichide(e){if (ie4&&!dropmenuobj.contains(e.toElement))delayhidemenu()else if (ns6&&e.currentTarget!= e.relatedTarget&& !contains_ns6(e.currentTarget, e.relatedTarget))delayhidemenu()}function hidemenu(e){if (typeof dropmenuobj!="undefined"){if (ie4||ns6)dropmenuobj.style.visibility="hidden"}}function delayhidemenu(){if (ie4||ns6)delayhide=setTimeout("hidemenu()",disappeardelay)}function clearhidemenu(){if (typeof delayhide!="undefined")clearTimeout(delayhide)}if (hidemenu_onclick=="yes")document.onclick=hidemenu</script><a href="default.htm" onClick="return clickreturnvalue()" onMouseover="dropdownmenu(this, event, menu1, '150px')" onMouseout="delayhidemenu()">Web Design</a> |<a href="default2.htm" onClick="return dropdownmenu(this, event, menu2, '200px')" onMouseout="delayhidemenu()">News Sites</a> (onclick) 这段JS在Firefox下无效,IE6、IE8都正常,帮我看看啊。 js如何获取页面标题内容 高手来看看,有什么办法能这样即时显示总价? 十万火急:大家帮看一下 用OPEN方法怎么在框架中打开一个页 梅花雪大哥,您上次置顶的那篇关于树的帖子地址是什么,我找不到了~~~~ 急!!!!!请求帮忙!!改变location却取不到值!! 请问在javascript中如何判断输入的文字是全角还是半角?急用!!! 请问如何用js判断每月的天数! 大佬,这个怎么做, 就这两三行,求会的帮忙~ 如何让一个层始终位于页面的正中央,如何动太的改变层上显示的文字
position:absolute;
border:1px solid black;
border-bottom-width: 0;
font:normal 12px Verdana;
line-height:18px;
z-index:100;
}#dropmenudiv a{
width: 100%;
display: block;
text-indent: 3px;
border-bottom: 1px solid black;
padding: 1px 0;
text-decoration: none;
font-weight: bold;
}#dropmenudiv a:hover{ /*hover background color*/
background-color: yellow;
}</style><script type="text/javascript">//Contents for menu 1
var menu1=new Array()
menu1[0]='<a href="http://www.javascriptkit.com">JavaScript Kit</a>'
menu1[1]='<a href="http://www.freewarejava.com">Freewarejava.com</a>'
menu1[2]='<a href="http://codingforums.com">Coding Forums</a>'
menu1[3]='<a href="http://www.cssdrive.com">CSS Drive</a>'//Contents for menu 2, and so on
var menu2=new Array()
menu2[0]='<a href="http://cnn.com">CNN</a>'
menu2[1]='<a href="http://msnbc.com">MSNBC</a>'
menu2[2]='<a href="http://news.bbc.co.uk">BBC News</a>'
var menuwidth='165px' //default menu width
var menubgcolor='lightyellow' //menu bgcolor
var disappeardelay=250 //menu disappear speed onMouseout (in miliseconds)
var hidemenu_onclick="yes" //hide menu when user clicks within menu?/////No further editting neededvar ie4=document.all
var ns6=document.getElementById&&!document.allif (ie4||ns6)
document.write('<div id="dropmenudiv" style="visibility:hidden;width:'+menuwidth+';background-color:'+menubgcolor+'" onMouseover="clearhidemenu()" onMouseout="dynamichide(event)"></div>')function getposOffset(what, offsettype){
var totaloffset=(offsettype=="left")? what.offsetLeft : what.offsetTop;
var parentEl=what.offsetParent;
while (parentEl!=null){
totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
parentEl=parentEl.offsetParent;
}
return totaloffset;
}
function showhide(obj, e, visible, hidden, menuwidth){
if (ie4||ns6)
dropmenuobj.style.left=dropmenuobj.style.top="-500px"
if (menuwidth!=""){
dropmenuobj.widthobj=dropmenuobj.style
dropmenuobj.widthobj.width=menuwidth
}
if (e.type=="click" && obj.visibility==hidden || e.type=="mouseover")
obj.visibility=visible
else if (e.type=="click")
obj.visibility=hidden
}function iecompattest(){
return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}function clearbrowseredge(obj, whichedge){
var edgeoffset=0
if (whichedge=="rightedge"){
var windowedge=ie4 && !window.opera? iecompattest().scrollLeft+iecompattest().clientWidth-15 : window.pageXOffset+window.innerWidth-15
dropmenuobj.contentmeasure=dropmenuobj.offsetWidth
if (windowedge-dropmenuobj.x < dropmenuobj.contentmeasure)
edgeoffset=dropmenuobj.contentmeasure-obj.offsetWidth
}
else{
var topedge=ie4 && !window.opera? iecompattest().scrollTop : window.pageYOffset
var windowedge=ie4 && !window.opera? iecompattest().scrollTop+iecompattest().clientHeight-15 : window.pageYOffset+window.innerHeight-18
dropmenuobj.contentmeasure=dropmenuobj.offsetHeight
if (windowedge-dropmenuobj.y < dropmenuobj.contentmeasure){ //move up?
edgeoffset=dropmenuobj.contentmeasure+obj.offsetHeight
if ((dropmenuobj.y-topedge)<dropmenuobj.contentmeasure) //up no good either?
edgeoffset=dropmenuobj.y+obj.offsetHeight-topedge
}
}
return edgeoffset
}function populatemenu(what){
if (ie4||ns6)
dropmenuobj.innerHTML=what.join("")
}
function dropdownmenu(obj, e, menucontents, menuwidth){
if (window.event) event.cancelBubble=true
else if (e.stopPropagation) e.stopPropagation()
clearhidemenu()
dropmenuobj=document.getElementById? document.getElementById("dropmenudiv") : dropmenudiv
populatemenu(menucontents)if (ie4||ns6){
showhide(dropmenuobj.style, e, "visible", "hidden", menuwidth)
dropmenuobj.x=getposOffset(obj, "left")
dropmenuobj.y=getposOffset(obj, "top")
dropmenuobj.style.left=dropmenuobj.x-clearbrowseredge(obj, "rightedge")+"px"
dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+obj.offsetHeight+"px"
}return clickreturnvalue()
}function clickreturnvalue(){
if (ie4||ns6) return false
else return true
}function contains_ns6(a, b) {
while (b.parentNode)
if ((b = b.parentNode) == a)
return true;
return false;
}function dynamichide(e){
if (ie4&&!dropmenuobj.contains(e.toElement))
delayhidemenu()
else if (ns6&&e.currentTarget!= e.relatedTarget&& !contains_ns6(e.currentTarget, e.relatedTarget))
delayhidemenu()
}function hidemenu(e){
if (typeof dropmenuobj!="undefined"){
if (ie4||ns6)
dropmenuobj.style.visibility="hidden"
}
}function delayhidemenu(){
if (ie4||ns6)
delayhide=setTimeout("hidemenu()",disappeardelay)
}function clearhidemenu(){
if (typeof delayhide!="undefined")
clearTimeout(delayhide)
}if (hidemenu_onclick=="yes")
document.onclick=hidemenu</script>
<a href="default.htm" onClick="return clickreturnvalue()" onMouseover="dropdownmenu(this, event, menu1, '150px')" onMouseout="delayhidemenu()">Web Design</a> |<a href="default2.htm" onClick="return dropdownmenu(this, event, menu2, '200px')" onMouseout="delayhidemenu()">News Sites</a> (onclick)