选项卡内容以背景色代替，选中的选项背景色变灰并显示对应的选项卡
<html> <head> <meta charset="utf-8"> <title>选项卡效果</title> <style type="text/css"> *{ margin:0 auto; padding:0;} #wai{ width:1000px; height:500px; margin-top:50px;} #btl{width:350px; height:30px; margin-left:50px;} .bt{ width:50px; height:30px; text-align:center; line-height:30px; float:left;} .bt:hover{ cursor:pointer;} .nr{ width:100%; height:450px; display:none;} </style> </head> <body> <div id="wai"> <div id="btl"> <div class="bt" sy="0" style="background-color:#999">国内</div> <div class="bt" sy="1">国际</div> <div class="bt" sy="2">军事</div> <div class="bt" sy="3">财经</div> <div class="bt" sy="4">社会</div> <div class="bt" sy="5">娱乐</div> <div class="bt" sy="6">体育</div> </div> <div class="nr" style="background-color:#F00; display:block"></div> <div class="nr" style="background-color:#0F0"></div> <div class="nr" style="background-color:#F60"></div> <div class="nr" style="background-color:#00F"></div> <div class="nr" style="background-color:#FF0"></div> <div class="nr" style="background-color:#0FF"></div> <div class="nr" style="background-color:#F0F"></div> </div> </body> </html> <script type="text/javascript"> var bt = document.getElementsByClassName("bt"); var nr = document.getElementsByClassName("nr"); /* 选中的标题变色，其他标题恢复原色，选中标题的对应选项卡显示，其他选项卡隐藏 */ for(var i=0;i<bt.length;i++) { bt[i].onclick = function() { for(var i=0;i<bt.length;i++) { bt[i].style.backgroundColor = "#fff"; } this.style.backgroundColor = "#999"; var syh = this.getAttribute("sy"); for(var i=0;i<nr.length;i++) { nr[i].style.display = "none"; } nr[syh].style.display = "block"; } } </script>
效果