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导航菜单多层下拉子菜单

稿源：互联网 2022-06-28 03:19:45 点击： 1866 撤稿纠错

点击后弹出菜单，有四层子菜单，可自定义。

以下讨论的是和相关的导航菜单多层下拉子菜单教程文章，内容是本站精心挑选整理的教程，希望对广大的网友给到帮助,下面是详细内容：

脚本代码(For Alixixi.com)如下:

<style rel=stylesheet type=text/css>
.favMenu {
	BACKGROUND: buttonface; COLOR: windowtext; CURSOR: hand; FONT: menu
}
.favMenu DIV {
	WIDTH: 100%
}
.favMenu A {
	COLOR: windowtext; TEXT-DECORATION: none
}
.favMenu A:hover {
	COLOR: windowtext; TEXT-DECORATION: underline
}
.topFolder {
	BORDER-BOTTOM: buttonface 1px solid; BORDER-LEFT: buttonface 1px solid; BORDER-RIGHT: buttonface 1px solid; BORDER-TOP: buttonface 1px solid; PADDING-BOTTOM: 2px; PADDING-LEFT: 2px; PADDING-RIGHT: 2px; PADDING-TOP: 2px
}
.topItem {
	BORDER-BOTTOM: buttonface 1px solid; BORDER-LEFT: buttonface 1px solid; BORDER-RIGHT: buttonface 1px solid; BORDER-TOP: buttonface 1px solid; PADDING-BOTTOM: 2px; PADDING-LEFT: 2px; PADDING-RIGHT: 2px; PADDING-TOP: 2px
}
.subFolder {
	PADDING-BOTTOM: 3px; PADDING-LEFT: 3px; PADDING-RIGHT: 3px; PADDING-TOP: 3px
}
.subItem {
	PADDING-BOTTOM: 3px; PADDING-LEFT: 3px; PADDING-RIGHT: 3px; PADDING-TOP: 3px
}
.sub {
	BACKGROUND: url() buttonface; BORDER-BOTTOM: buttonhighlight 1px solid; BORDER-LEFT: buttonshadow 1px solid; BORDER-RIGHT: buttonhighlight 1px solid; DISPLAY: none; PADDING-TOP: 1px
}
.sub .sub {
	BORDER-BOTTOM: 0px; BORDER-LEFT: 0px; BORDER-RIGHT: 0px; BORDER-TOP: 0px
}
.icon {
	HEIGHT: 16px; MARGIN-RIGHT: 5px; VERTICAL-ALIGN: top; WIDTH: 16px
}
.outer {
	BACKGROUND: buttonface; BORDER-BOTTOM: buttonhighlight 1px solid; BORDER-LEFT: buttonshadow 1px solid; BORDER-RIGHT: buttonhighlight 1px solid; BORDER-TOP: buttonshadow 1px solid; PADDING-BOTTOM: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; PADDING-TOP: 0px
}
.inner {
	BORDER-BOTTOM: buttonshadow 1px solid; BORDER-LEFT: buttonhighlight 1px solid; BORDER-RIGHT: buttonshadow 1px solid; BORDER-TOP: buttonhighlight 1px solid; OVERFLOW: hidden; PADDING-BOTTOM: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; PADDING-TOP: 0px
}
.scrollButton {
	BACKGROUND: buttonface; BORDER-BOTTOM: buttonface 1px solid; BORDER-LEFT: buttonface 1px solid; BORDER-RIGHT: buttonface 1px solid; BORDER-TOP: buttonface 1px solid; COLOR: buttontext; CURSOR: default; DISPLAY: none; FONT-FAMILY: webdings; FONT-SIZE: 10px; HEIGHT: 16px; OVERFLOW: hidden; POSITION: absolute; TEXT-ALIGN: center; WIDTH: 50px
}
.flat {
	BORDER-BOTTOM: buttonface 1px solid; BORDER-LEFT: buttonface 1px solid; BORDER-RIGHT: buttonface 1px solid; BORDER-TOP: buttonface 1px solid; PADDING-BOTTOM: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; PADDING-TOP: 0px
}
</style>
<a href="<#ZC_BLOG_HOST#>">站长特效网</a>,站长必备的高质量网页特效和广告代码。zzjs.net，站长js特效。<hr>

<SCRIPT type=text/javascript>
var selectedItem = null;
var targetWin;
document.onclick = handleClick;
document.onmouseover = handleOver;
document.onmouseout = handleOut;
document.onmousedown = handleDown;
document.onmouseup = handleUp;
document.write(writeSubPadding(10));  //write the stylesheet for the sub. Getting the indention right
function handleClick() {
	el = getReal(window.event.srcElement, "tagName", "DIV");
	if ((el.className == "topFolder") || (el.className == "subFolder")) {
//		if (el.sub == null) el.sub = eval(el.id + "Sub");
//		alert(el.sub);
		el.sub = eval(el.id + "Sub");
		if (el.sub.style.display == null) el.sub.style.display = "none";
		if (el.sub.style.display != "block") { //hidden
			//any other sub open?
			if (el.parentElement.openedSub != null) {
				var opener = eval(el.parentElement.openedSub + ".opener");
				hide(el.parentElement.openedSub);
				if (opener.className == "topFolder")
					outTopItem(opener);
			}
			el.sub.style.display = "block";
			el.sub.parentElement.openedSub = el.sub.id;
			el.sub.opener = el;
		}
		else {
			if (el.sub.openedSub != null) hide(el.sub.openedSub);
			else hide(el.sub.id);
		}
	}
//欢迎来到站长特效网，我们的网址是www.zzjs.net，很好记，zz站长，js就是js特效，本站收集大量高质量js代码，还有许多广告代码下载。
	if ((el.className == "subItem") || (el.className == "subFolder")) {
		if (selectedItem != null)
			restoreSubItem(selectedItem);
		highlightSubItem(el);
	}
//欢迎来到站长特效网，我们的网址是www.zzjs.net，很好记，zz站长，js就是js特效，本站收集大量高质量js代码，还有许多广告代码下载。
	if ((el.className == "topItem") || (el.className == "topFolder")) {
		if (selectedItem != null)
			restoreSubItem(selectedItem);
	}
//欢迎来到站长特效网，我们的网址是www.zzjs.net，很好记，zz站长，js就是js特效，本站收集大量高质量js代码，还有许多广告代码下载。
	if ((el.className == "topItem") || (el.className == "subItem")) {
		if ((el.href != null) && (el.href != "")) {
			if ((el.target == null) || (el.target == "")) {
				if (window.opener == null) {
//					alert(document.all.tags("BASE").item(0));
					if (document.all.tags("BASE").item(0) != null)
//						eval(document.all.tags("BASE").item(0).target + ".location = el.href");
						window.open(el.href, document.all.tags("BASE").item(0).target);
					else
						window.location = el.href;					// HERE IS THE LOADING!!!
				}
				else {
					window.opener.location =  el.href;
				}
			}
			else {
				window.open(el.href, el.target);
//				eval(el.target + ".location = el.href");
			}
		}
	}
	var tmp  = getReal(el, "className", "favMenu");
	if (tmp.className == "favMenu") fixScroll(tmp);
}
//欢迎来到站长特效网，我们的网址是www.zzjs.net，很好记，zz站长，js就是js特效，本站收集大量高质量js代码，还有许多广告代码下载。
function handleOver() {
	var fromEl = getReal(window.event.fromElement, "tagName", "DIV");
	var toEl = getReal(window.event.toElement, "tagName", "DIV");
	if (fromEl == toEl) return;
	el = toEl;
	if ((el.className == "topFolder") || (el.className == "topItem")) overTopItem(el);
	if ((el.className == "subFolder") || (el.className == "subItem")) overSubItem(el);
	if ((el.className == "topItem") || (el.className == "subItem")) {
		if (el.href != null) {
			if (el.oldtitle == null) el.oldtitle = el.title;
			if (el.oldtitle != "")
				el.title = el.oldtitle + "n" + el.href;
			else
				el.title = el.oldtitle + el.href;
		}
	}
	if (el.className == "scrollButton") overscrollButton(el);
}
function handleOut() {
	var fromEl = getReal(window.event.fromElement, "tagName", "DIV");
	var toEl = getReal(window.event.toElement, "tagName", "DIV");
	if (fromEl == toEl) return;
	el = fromEl;
	if ((el.className == "topFolder") || (el.className == "topItem")) outTopItem(el);
	if ((el.className == "subFolder") || (el.className == "subItem")) outSubItem(el);
	if (el.className == "scrollButton") outscrollButton(el);
}
function handleDown() {
	el = getReal(window.event.srcElement, "tagName", "DIV");
	if (el.className == "scrollButton") {
		downscrollButton(el);
		var mark = Math.max(el.id.indexOf("Up"), el.id.indexOf("Down"));
		var type = el.id.substr(mark);
		var menuID = el.id.substring(0,mark);
		eval("scroll" + type + "(" + menuID + ")");
	}
}
function handleUp() {
	el = getReal(window.event.srcElement, "tagName", "DIV");
	if (el.className == "scrollButton") {
		upscrollButton(el);
		window.clearTimeout(scrolltimer);
	}
}
//欢迎来到站长特效网，我们的网址是www.zzjs.net，很好记，zz站长，js就是js特效，本站收集大量高质量js代码，还有许多广告代码下载。
////////////////////// EVERYTHING IS HANDLED ////////////////////////////
function hide(elID) {
	var el = eval(elID);
	el.style.display = "none";
	el.parentElement.openedSub = null;
	if (el.openedSub != null) hide(el.openedSub);
}
function writeSubPadding(depth) {
	var str, str2, val;
	var str = "<style type='text/css'>n";
	for (var i=0; i < depth; i++) {
		str2 = "";
		val  = 0;
		for (var j=0; j < i; j++) {
			str2 += ".sub "
			val += 22;
		}
		str += str2 + ".subFolder {padding-left: " + val + "px;}n";
		str += str2 + ".subItem   {padding-left: " + val + "px;}n";
	}
	str += "</style>n";
	return str;
}
//If you wan't to change colors do so below
function overTopItem(el) {
	with (el.style) {
		background   = "buttonface";
		borderLeft   = "1px solid buttonhighlight";
		borderRight  = "1px solid buttonshadow";
		borderTop    = "1px solid buttonhighlight";
		borderBottom = "1px solid buttonshadow";
		paddingBottom = "2px";
	}
}
function outTopItem(el) {
	if ((el.sub != null) && (el.parentElement.openedSub == el.sub.id)) { //opened
		with(el.style) {
			borderTop = "1px solid buttonshadow";
			borderLeft  = "1px solid buttonshadow";
			borderRight    = "1px solid buttonhighlight";
			borderBottom = "0px";
			paddingBottom = "3px";
			background = "url() buttonface";
		}
	}
	else {
		with (el.style) {
			border = "1px solid buttonface";
			background = "buttonface";
			padding = "2px";
		}
	}
}
function overSubItem(el) {
	el.style.textDecoration = "underline";
}
function outSubItem(el) {
	el.style.textDecoration = "none";
}
function highlightSubItem(el) {
	el.style.background = "buttonshadow";
	el.style.color      = "white"; //"highlighttext";
	selectedItem = el;
}
function restoreSubItem(el) {
	el.style.background = "url() buttonface";
	el.style.color      = "menutext";
	selectedItem = null;
}
function overscrollButton(el) {
	overTopItem(el);
	el.style.padding = "0px";
}
function outscrollButton(el) {
	outTopItem(el);
	el.style.padding = "0px";
}
function downscrollButton(el) {
	with (el.style) {
		borderRight   = "1px solid buttonhighlight";
		borderLeft  = "1px solid buttonshadow";
		borderBottom    = "1px solid buttonhighlight";
		borderTop = "1px solid buttonshadow";
	}
}
function upscrollButton(el) {
	overTopItem(el);
	el.style.padding = "0px";
}
// ...till here
function getReal(el, type, value) {
	var temp = el;
	while ((temp != null) && (temp.tagName != "BODY")) {
		if (eval("temp." + type) == value) {
			el = temp;
			return el;
		}
		temp = temp.parentElement;
	}
	return el;
}
////////////////////////////////////////////////////////////////////////////////////////
// Fix the scrollbars
var globalScrollContainer;	// Needed because the object is called through windwow.setTimeout
var overflowTimeout = 1;
function fixScroll(el) {
	globalScrollContainer = el;
	window.setTimeout('changeOverflow(globalScrollContainer)', overflowTimeout);
}//欢迎来到站长特效网，我们的网址是www.zzjs.net，很好记，zz站长，js就是js特效，本站收集大量高质量js代码，还有许多广告代码下载。
function changeOverflow(el) {
	if (el.offsetHeight > el.parentElement.clientHeight)
		window.setTimeout('globalScrollContainer.parentElement.style.overflow = "auto";', overflowTimeout);
	else
		window.setTimeout('globalScrollContainer.parentElement.style.overflow = "hidden";', overflowTimeout);
}
</SCRIPT>

<DIV class=outer style="HEIGHT: 280px; MARGIN: 10px; WIDTH: 180px">
<DIV class=inner style="HEIGHT: 280px; WIDTH: 180px">
<DIV class=favMenu id=aMenu>
<DIV class=topFolder id=samples><img class="icon" height="16" src="/image/zzjs.ico" width="16" style="cursor:pointer;"/>Samples</DIV>
<DIV class=sub id=samplesSub>
<DIV class=subItem title="(Updated: 980701)" href="<#ZC_BLOG_HOST#>"></SPAN><img class="icon" height="16" src="/image/zzjs.ico" width="16" style="cursor:pointer;"/>Favorite Bar</DIV>
<DIV class=subItem title="(Updated: 980701)" href="<#ZC_BLOG_HOST#>"><img class="icon" height="16" src="/image/zzjs.ico" width="16" style="cursor:pointer;"/><BLINK> Behavior
(IE5)</DIV>
<DIV class=subItem title="(Updated: 980630)" href="<#ZC_BLOG_HOST#>"><img class="icon" height="16" src="/image/zzjs.ico" width="16" style="cursor:pointer;"/>genericMove</DIV>
<DIV class=subItem title="(Updated: 980628)" href="<#ZC_BLOG_HOST#>"><img class="icon" height="16" src="/image/zzjs.ico" width="16" style="cursor:pointer;"/>Resizeable DIV</DIV>
<DIV class=subItem title="(Updated: 980605)" href="<#ZC_BLOG_HOST#>"><img class="icon" height="16" src="/image/zzjs.ico" width="16" style="cursor:pointer;"/>DHTML Menu</DIV>
<DIV class=subItem
title="Uses one <TEXTAREA> and one <IFRAME> for preview. (Updated: 980318)"
href="<#ZC_BLOG_HOST#>"><img class="icon" height="16" src="/image/zzjs.ico" width="16" style="cursor:pointer;"/>DHTML Editor</DIV>
<DIV class=subItem title="Use rich text tooltips. (Updated: Way back!)" href="<#ZC_BLOG_HOST#>"><img class="icon" height="16" src="/image/zzjs.ico" width="16" style="cursor:pointer;"/>ToolTips</DIV></DIV>
<DIV class=topFolder id=docs><img class="icon" height="16" src="/image/zzjs.ico" width="16" style="cursor:pointer;"/>Docs</DIV>
<DIV class=sub id=docsSub>
<DIV class=subFolder id=subdocs><img class="icon" height="16" src="/image/zzjs.ico" width="16" style="cursor:pointer;"/>more Docs</DIV>
<DIV class=sub id=subdocsSub>
<DIV class=subFolder id=evendocs><img class="icon" height="16" src="/image/zzjs.ico" width="16" style="cursor:pointer;"/>even more Docs</DIV>
<DIV class=sub id=evendocsSub>
<DIV class=subItem><img class="icon" height="16" src="/image/zzjs.ico" width="16" style="cursor:pointer;"/>doc 3.1</DIV>
<DIV class=subItem><img class="icon" height="16" src="/image/zzjs.ico" width="16" style="cursor:pointer;"/>doc 3.2</DIV></DIV>
<DIV class=subItem><img class="icon" height="16" src="/image/zzjs.ico" width="16" style="cursor:pointer;"/>doc 2.1</DIV>
<DIV class=subItem><img class="icon" height="16" src="/image/zzjs.ico" width="16" style="cursor:pointer;"/>doc 2.2</DIV></DIV>
<DIV class=subItem><img class="icon" height="16" src="/image/zzjs.ico" width="16" style="cursor:pointer;"/>doc 1</DIV>
<DIV class=subItem><img class="icon" height="16" src="/image/zzjs.ico" width="16" style="cursor:pointer;"/>doc 2</DIV>
<DIV class=subFolder id=subdocs2><img class="icon" height="16" src="/image/zzjs.ico" width="16" style="cursor:pointer;"/>more Docs</DIV>
<DIV class=sub id=subdocs2Sub>
<DIV class=subItem><img class="icon" height="16" src="/image/zzjs.ico" width="16" style="cursor:pointer;"/>doc 2.1</DIV>
<DIV class=subItem><img class="icon" height="16" src="/image/zzjs.ico" width="16" style="cursor:pointer;"/>doc 2.2</DIV>
<DIV class=subFolder id=evendocs2><img class="icon" height="16" src="/image/zzjs.ico" width="16" style="cursor:pointer;"/>even more Docs</DIV>
<DIV class=sub id=evendocs2Sub>
<DIV class=subItem><img class="icon" height="16" src="/image/zzjs.ico" width="16" style="cursor:pointer;"/>doc 3.1</DIV>
<DIV class=subItem><img class="icon" height="16" src="/image/zzjs.ico" width="16" style="cursor:pointer;"/>doc 3.2</DIV></DIV></DIV>
<DIV class=subItem><img class="icon" height="16" src="/image/zzjs.ico" width="16" style="cursor:pointer;"/>doc 3</DIV>
<DIV class=subItem><img class="icon" height="16" src="/image/zzjs.ico" width="16" style="cursor:pointer;"/>doc 4</DIV></DIV>
<DIV class=topFolder id=links><img class="icon" height="16" src="/image/zzjs.ico" width="16" style="cursor:pointer;"/>Links</DIV>
<DIV class=sub id=linksSub>
<DIV class=subItem href="<#ZC_BLOG_HOST#>"><img class="icon" height="16" src="/image/zzjs.ico" width="16" style="cursor:pointer;"/>InsideDHTML</DIV>
<DIV class=subItem href="<#ZC_BLOG_HOST#>"><img class="icon" height="16" src="/image/zzjs.ico" width="16" style="cursor:pointer;"/>The Dynamic Duo</DIV>
<DIV class=subItem href="<#ZC_BLOG_HOST#>"><img class="icon" height="16" src="/image/zzjs.ico" width="16" style="cursor:pointer;"/>WebFX</DIV></DIV>
<DIV class=topFolder id=todo style="FONT-WEIGHT: bold"><img class="icon" height="16" src="/image/zzjs.ico" width="16" style="cursor:pointer;"/><font color=red>站长特效网</font></DIV>
<DIV class=sub id=todoSub style="PADDING-LEFT: 22px">
<DIV>www.zzjs.net</DIV></DIV>
<DIV class=topItem href="http://www.zzjs.net">go to zzjs.net</DIV></DIV>

关于导航菜单多层下拉子菜单的内容写到这里就结束啦，您可以收藏本页网址https://js.alixixi.com/a/2016328462656.shtml方便下次再访问哦。

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