js实现tab栏切换效果

编程学习 2021-07-04 14:06www.dzhlxh.cn编程入门
这篇文章主要为大家详细介绍了js实现tab栏切换效果,文中示例代码介绍的非常详细,具有一定的参考价值,感兴趣的小伙伴们可以参考一下

本文实例为大家分享了js实现tab栏切换效果的具体代码,供大家参考,具体内容如下

效果展示:

源码展示:

<!doctype html>
<html>
<head>
 <meta charset="utf-8">
 <title>js实现tab栏切换</title>
 <style>
 * {
  margin: 0;
  margin: 0;
  padding: 0;
  list-style: none;
 }
 
 .nav {
  width: 100%;
  height: 50px;
 }
 
 .nav ul {
  width: 600px;
  height: 50px;
  margin: 0 auto;
 }
 
 .nav ul li {
  width: 120px;
  height: 50px;
  font-weight: 800;
  font-size: 18px;
  color: #515151;
  line-height: 50px;
  text-align: center;
  float: left;
  cursor: pointer;
 }
 
 .tiao {
  width: 600px;
  height: 5px;
  background-color: #515151;
  margin: 0 auto;
  position: relative;
  top: 0;
  left: 0;
 }
 
 .zhou {
  width: 120px;
  height: 5px;
  background-color: red;
  position: absolute;
  top: 0;
  left: 0;
 }
 
 .ww {
  width: 0px;
  border-width: 8px;
  border-style: solid;
  border-color: rgba(250, 0, 255, 0) rgba(250, 0, 255, 0) red rgba(250, 0, 255, 0);
  position: absolute;
  top: -16px;
  left: 56px;
 }
 
 .nei {
  width: 600px;
  height: 300px;
  margin: 0 auto;
 }
 
 .nei li {
  width: 600px;
  height: 300px;
  color: #fff;
  font-family: "微软雅黑";
  font-size: 40px;
  text-align: center;
  line-height: 300px;
  display: none;
  margin-top: 10px;
 }
 </style>
</head>
<body>
<div class="nav">
 <ul>
 <li onmouseover="don(0)">大娃</li>
 <li onmouseover="don(1)">二娃</li>
 <li onmouseover="don(2)">三娃</li>
 <li onmouseover="don(3)">四娃</li>
 <li onmouseover="don(4)">五娃</li>
 
 </ul>
</div>
 
<div class="tiao">
 <div id="zhou" class="zhou" style="left: 0;">
 <div class="ww"></div>
 </div>
</div>
 
<div id="nei" class="nei">
 <ul>
 <li style="background-color:#e4007f; display: block;">大娃出世</li>
 <li style="background-color:#687de8">二娃出世</li>
 <li style="background-color:#2fb936">三娃出世</li>
 <li style="background-color:#4dd5d0">四娃出世</li>
 <li style="background-color:#e24759">五娃出世</li>
 </ul>
</div>
 
<script>
 var k;
 var kk = 0;
 
 function don(gh) {
 if (kk == 0) {
  kk = 1
  var w1 = document.getElementById('zhou')
  var t = parseInt(w1.style.left)
 
  if (t < gh * 120) {
  k = window.setInterval(
   function () {
   goright(gh * 120)
   }, 30
  )
  } else if (t > gh * 120) {
  k = window.setInterval(
   function () {
   goleft(gh * 120)
   }, 30
  )
  } else {
  kk = 0
  }
  var w2 = document.getElementById('nei').getElementsByTagName('li')
  for (var i = 0; i < w2.length; i++) {
  w2[i].style.display = "none"
  }
  w2[gh].style.display = "block"
 }
 }
 
 //右移动
 function goright(gh1) {
 var w1 = document.getElementById('zhou')
 var t = parseInt(w1.style.left)
 t += 20
 
 if (t >= gh1) {
  t = gh1
  window.clearInterval(k)
  kk = 0
 }
 w1.style.left = t + "px"
 }
 
 //左移动
 function goleft(gh1) {
 var w1 = document.getElementById('zhou')
 var t = parseInt(w1.style.left)
 t -= 20
 //alert(t)
 if (t <= gh1) {
  t = gh1
  window.clearInterval(k)
  kk = 0
 }
 w1.style.left = t + "px"
 }
</script>
<hr>
<pre style="color:red">
 感: 最近贡献一下我在教学中的小案例可以能给你一些帮助 ,希望继续关注我的博客
 
          --王
</pre>
 
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