Heim >Web-Frontend >CSS-Tutorial >CSS-Implementierung der Browser-Registerkarte Google Chrome
Das Besondere an den Tabs von Google Chrome ist, dass aktivierte Tabs einen Teil der inaktiven Tabs daneben „fressen“ können. Dies stellt CSS vor einige Herausforderungen. Wie unten gezeigt:
Voraussetzung ist natürlich, dass nur zwei Bilder verwendet werden können und die Breite adaptiv ist:
Normal Tab-Hintergrund:
Tab-Hintergrund aktivieren:
Code:
<!DOCTYPE HTML> <head> <title>google chrome tab</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <style type="text/css"> /*simple reset*/ *{padding:0px;margin:0px;} /*clearfix*/ .clearfix:after {content: ".";display: block;height: 0;clear: both;visibility: hidden;} .clearfix {display: inline-block;} /* for IE/Mac */ #tab { font-size:12px;margin-left:40px;_margin-left:60px;}/*由于li有margin-left:-15px;所以tab的margin-left>15px;*/ /*margin-left:-15px; 让当前元素“缩进”到前一个元素的右侧*/ #tab li{float:left; display:block; height:26px;position:relative;margin-left:-15px;_margin-left:-30px;z-index:1;} #tab li a{color:#000; text-decoration:none; display:block;_float:left;_position:relative;_left:15px; height:26px;padding-left:30px;padding-right:15px; line-height:26px;margin-right:15px; background:url(normal.gif) no-repeat left top;} /*i置于右边*/ #tab li i{position:absolute; right:0px;top:0px; width:15px;height:26px; z-index:3;background:url(normal.gif) no-repeat right top;} /*当前激活的li在非激活之上(z-index)*/ #tab .active{z-index:2;top:1px; } #tab .active a{background:url(active.gif) no-repeat left top; } #tab .active i{background:url(active.gif) no-repeat -197px top;} .content{clear:both;border:solid 1px #bcc5d1;} </style> </head> <body> <ul id="tab"> <li><a href="http://www.php1.cn/"> <li class="active"><a href="http://www.php1.cn/"> <li><a href="http://www.php1.cn/"></ul> <div id="" class="content"> content </div> <script type="text/javascript"> //添加事件 var addHandler = window.addEventListener? function(elem,event,handler){elem.addEventListener(event,handler,false);}: function(elem,event,handler){elem.attachEvent("on"+event,handler);}; //实现.active切换 addHandler(window,"load",function(){ var arrLi = document.getElementById("tab").getElementsByTagName("li"); for (var i=0,l=arrLi.length;i<l ;i++ ){ (function(index){ addHandler(arrLi[index],"click",function(e){ var evt = (window.event||e),cur=evt.target||evt.srcElement; for (var j=0,jl=arrLi.length;j<jl ;j++ ){ arrLi[j].className=""; } ((cur.tagName.toLowerCase()=="a")?cur.parentNode:cur).className="active"; try{cur.blur();cur.parentNode.blur();}catch(e){} }); })(i); } }); </script> </body> </html>