Of Stack

Simple implementation of js tab switching effect

  • 2021-07-18 06:48:47
  • OfStack

In this article, we share the specific code of js tab switching effect for your reference. The specific contents are as follows

Implementation ideas:

1. Get the id element first.
2. The for loop goes through the button element to add the onclick event.
3. Exclusive idea. When clicking the button, set the button style of all tabs to be empty, and use this keyword to specify the current tab to obtain highlighting style.
4. The following div content blocks and so on.

Source code: 


<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <title> Simple tab switching (imitating Hao123 Navigation) </title>
</head>
<style>
 * {
  margin: 0;
  padding: 0;
 }
 .box {
  width: 278px;
  margin: 0 auto;
  margin-top: 100px;
  background-color: #F7F7F8;
  overflow: hidden;
 }
 .btn button {
  outline:none;
  color: #616161;
  font:14px/100% arial,"Hiragino Sans GB","Hiragino Sans GB W3",\5b8b\4f53;
  border: none;
  height: 34px;
  width: 51px;
  background-color: #F7F7F8;
  float: left;
  cursor: pointer;
 }
 .box .btn i {
  height: 16px;
  border-left: 1px solid #EAEAEA;
  margin-top: 9px;
  float: left;
  _font-size: 0px;
 }
 .box .btn button:hover {
  color: #0AA770;
 }
 .box .btn s {
  cursor: pointer;
  text-decoration: none;
  font:14px/34px arial,"Hiragino Sans GB","Hiragino Sans GB W3",\5b8b\4f53;
 }
 #box1 #btns .clickbtn {
  border-top: 1px solid #0AA770;
  color: #0AA770;
 }
 .bottom {
  display: none;
  position: absolute;
  width: 278px;
  height: 110px;
  color: #fff;
  text-align: center;
  font:14px/100% arial,"Hiragino Sans GB","Hiragino Sans GB W3",\5b8b\4f53;
 }
 .bottom a {
  color: #fff;
  position: relative;
  top: -20px;
  left: 0px;
  text-decoration: none;
 }
 .bottom a:hover {
  text-decoration: underline;
 }
</style>
<script>
 window.onload = function(){
  var btns = document.getElementById("btns").getElementsByTagName("button");
  var divs = document.getElementById("bottomdivs").getElementsByTagName("div");
  btns[0].className = "clickbtn";
   for(var i = 0;i<btns.length;i++){
    btns[i].index = i;
    btns[i].onclick = function(){
     //alert(this.index);
     for(var j = 0;j<btns.length;j++){
      btns[j].className = "";
     }
     this.className = "clickbtn";
     for(var b = 0;b<btns.length;b++){
      divs[b].style.display = "none";
     }
     divs[this.index].style.display = "block";

    }
  }
 }
</script>
<body>
<div class="box" id="box1">
 <div class="btn" id="btns">
  <button> Recommendation </button>
  <i></i>
  <button> Society </button>
  <i></i>
  <button> Entertainment </button>
  <i></i>
  <button> Military </button>
  <i></i>
  <button> Sports </button>
  <s>+</s>
 </div>
 <div id="bottomdivs">
  <div class="bottom" style="display: block">
   <img src="images/01.jpg" alt="">
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 </div>
</div>
</body>
</html>
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