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js implements TAB switching corresponding to different colors of code_javascript skills

WBOY
WBOYOriginal
2016-05-16 15:41:221098browse

The example in this article describes the js implementation of TAB switching corresponding to different colors. Share it with everyone for your reference. The details are as follows:

This is a personalized TAB menu. The background color of each TAB card is different. Click the upper TAB with the mouse and you can see the color change in the main content area.

The screenshot of the running effect is as follows:

The online demo address is as follows:

http://demo.jb51.net/js/2015/js-cha-tab-color-nav-codes/

The specific code is as follows: 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>不同颜色选项卡</title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
<style type="text/css">
 * {
  margin: 0;
  padding: 0;
 }
 body {
  font: 12px/20px 'microsoft yahei', 'arial';
  word-break: break-all;
  word-wrap: break-word;
 }
 .clearfix:after {
  content: '.';
  display: block;
  clear: both;
  height: 0;
  visibility: hidden;
 }
 .clearfix {
  display: inline-block;
 }
 * html .clearfix {
  height: 1%;
 }
 .clearfix {
  display: block;
 }
 #wrap {
  width: 320px;
  margin: 2em auto;
 }
 .card_List {
  height: 30px;
  border-bottom: 1px solid #f00;
  position: relative;
 }
 .card_List li {
  float: left;
  width: 68px;
  text-align: center;
  height: 30px;
  line-height: 30px;
  margin: 0 5px;
  display: inline;
  border-top-left-radius: 6px;
  border-top-right-radius: 6px;
 }
 .card_List li.current {
  height: 34px;
  line-height: 34px;
  margin-top: -4px;
  border: 1px solid #F00;
  background: #FF9494;
  border-bottom: none;
  color: #fff;
 }
 #oLi li:nth-child(1){
  background: #FF9494;
 }
 #oLi li:nth-child(2){
  background: #8CFE8C;
 }
 #oLi li:nth-child(3){
  background: #6969FB;
 }
 #oLi li:nth-child(4){
  background: #FFE26F;
 }
 .card_content div {
  display: none;
  height: 100px;
  text-align: center;
  color: white;
 }
 .card_content div:first-child {
  background: #FF9494;
 }
</style>
<script type="text/javascript">
 window.onload = function () {
  var colorArr = {
   0:"#f00",
   1:"#0f0",
   2:"#00f",
   3:"#FC0"
  };
  var bgColorArr = {
   0:"#FF9494",
   1:"#8CFE8C",
   2:"#6969FB",
   3:"#FFE26F",
  }
  var oL = document.getElementById("oLi");
  var oLi = oL.getElementsByTagName("li");
  var oUl = document.getElementById("oUl").getElementsByTagName("div");
  for ( var i=0 ; i<oLi.length ; i++ ){
   oLi[i].index = i;
   oLi[i].onclick = function () {
    for ( var j = 0 ; j < oLi.length ; j++ ){
     oLi[j].className = "";
     oLi[j].style.border = "none";
    }
    this.className = "current";
    this.style.border = "1px solid " + colorArr[this.index];
    this.style.borderBottom = "none";
    oL.style.borderBottom = "1px solid " + colorArr[this.index];
    for ( var j=0 ; j < oUl.length ; j++ ){
     oUl[j].style.display = "none";
     oUl[this.index].style.display = "block";
     oUl[j].style.backgroundColor = bgColorArr[this.index];
    }
   };
  }
 };
</script>
</head>
<body>
 <div id="wrap">
  <ul id="oLi" class="card_List clearfix">
   <li class="current">1</li>
   <li>2</li>
   <li>3</li>
   <li>4</li>
  </ul>
  <div id="oUl" class="card_content">
   <div style="display:block;">
    11111111111111
   </div>
   <div>
    22222222222
   </div>
   <div>
    3333333333333
   </div>
   <div>
    44444444444444444
   </div>
  </div>
 </div>
</body>
</html>

I hope this article will be helpful to everyone’s JavaScript programming design.

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