js 多层叠的TAB选项卡_javascript技巧

HTML：多个导航tag加一个放置默认内容div
脚本：以数组的形式给出每个导航对应的html

<meta http-equiv="content-type" content="text/html; charset=utf-8"> <title>多层叠TAB选项卡</title> <style type="text/css"> .nonstop { width:168px; font-size:12px;margin:auto; border:1px solid #cdcdcd; padding:2px; overflow:hidden; } .nonstop span { float:left;_display:inline; cursor:pointer; width:22px; height:14px; background:#cdcdcd url(./img/button.gif) no-repeat -175px top; font-size:10px; line-height:14px; margin:2px 0 0 2px; display:inline; text-align:center; } .nonstop span:hover { background:gray; font-weight:bold } .nonstop div { height:300px; clear:both; border:1px solid #cdcdcd; border-width:2px 1px; margin-left:2px; overflow:hidden; } .nonstop div a { float:left; width:80px; height:40px; background:white; text-align:center; line-height:40px; padding-top:8px; margin:1px 0 0 1px; } .nonstop div a img { border:0; } .nonstop span.hot { border:1px solid red; width:20px; color:white; height:15px; background:red url(./img/button.gif) no-repeat -175px -14px; font-weight:bold; border-bottom:none; } </style> <!--顶部-->一个多层叠的TAB选项卡，自适应宽度(自行更改nonstop的width测试效果)。 HTML：多个导航tag加一个放置默认内容div 脚本：以数组的形式给出每个导航对应的html <div class="nonstop" id="a2zbox"> <!--内容区--> <span>A</span><span>B</span><span>C</span><span>D</span><span>E</span><span>F</span><span>G</span> <span>H</span><span>I</span> <span>J</span><span>M</span><span>L</span><span>N</span><span>O</span> <span>P</span><span>S</span><span>T</span><span>U</span><span>Y</span><span>Z</span><span>!</span> <div> <!--默认内容--> 这里放一些默认内容 <p>1</p> <p>1</p> <p>1</p> <p>1</p> <p>1</p> <p>1</p> <p>1</p> <p>1 </p> </div> </div> <script type="text/javascript"> //20个字母下的品牌，不包含默认显示的内容 var contHtml = ['a1','b2','c3','d4','e5','f6','g7','h21','i22','j23','m24','l25','n26','o27','p11','s12','t13','u14','y15','z16']; var a2zBox = document.getElementById("a2zbox"); var a2zTag = a2zBox.getElementsByTagName("span"); var a2zCont = a2zBox.getElementsByTagName("div")[0]; var divs = [],colN=Math.floor(a2zCont.clientWidth/(a2zTag[0].clientWidth))//7; for(var n=1; n<a2zTag.length/colN; n++){ divs[n-1] = document.createElement("div"); divs[n-1].style.display = "none"; a2zBox.insertBefore(divs[n-1],a2zTag[colN*n]); } divs.push(a2zCont); var hotbox = divs.length-1;//初始内容div ID var hotboxH = a2zCont.clientHeight; //内容div高度 var hotboxHtemp = hotboxH; var time = 50, space = 100;//滑动速度 contHtml.push(a2zCont.innerHTML); function TABS(T){ for( i=0; i<a2zTag.length; i++ ) //a2zTag[i].removeAttribute("class"); a2zTag[i].className=""; a2zTag[T].className = "hot"; var N=Math.ceil((T+1)/colN-1); divs[N].style.cssText = "display:block;border-color:red"; divs[N].innerHTML = contHtml[T]; if(N!=hotbox){ divs[N].style.height = 0; divs[hotbox].style.border = 0 ; var wane = setInterval(function(){ hotboxH -= space; divs[hotbox].style.height = hotboxH + "px"; divs[N].style.height = (hotboxHtemp - hotboxH ) + "px"; if(divs[hotbox].clientHeight < 1){ clearInterval(wane); divs[hotbox].style.cssText = "display:none"; hotbox=N; hotboxH = hotboxHtemp; } },time); } } Function.prototype.bind = function(){var __m = this; var arg = arguments; return function(){ __m.apply(window,arg); } } for( i=0; i<a2zTag.length; i++ ) a2zTag[i].onclick = TABS.bind(i); </script>
[Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]