js实现tab栏切换效果
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> </body> </html> |
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