話不多說，請看實例代碼：
<!DOCTYPE html><html lang="en"> <head> <meta charset="utf-8"> <style type="text/css"> ul,li { padding: 0; margin: 0; } li { list-style: none; } #box{ height: 48px; width: 900px; background-color: #459DF5; margin: 50px auto; position: relative; } #caution { width: 150px; height: 48px; background-color: #4B92D8; position: absolute; top: 0; left: 0; } #list { position: absolute; } #list li { width: 150px; height: 48px; float: left; color: #fff; font: 500 20px/48px "微軟雅黑"; text-align: center; cursor: pointer; } </style> <script type="text/javascript"> window.onload = function(){ //獲取ul ID var oUl = document.getElementById("list"); // 獲取span ID var caution = document.getElementById("caution"); //獲取ul 所有孩子 var aLi = oUl.children; //定時器管理 var timer = null; //緩動 var leader = 0; var target = 0; //停留 var current = 0; for(var i = 0;i<aLi.length;i++){ //鼠標移動 aLi[i].onmouseover = function(){ //關閉定時器 clearInterval(timer); //獲取當前的left值 target = this.offsetLeft; //開啟定時器 timer = setInterval(autoCaution,20); } //鼠標點擊 aLi[i].onmousedown = function(){ //清楚所有高亮的文字 for(var j = 0;j<aLi.length;j++){ aLi[j].style.color = "#fff"; } //當前點擊欄變為紅色 this.style.color = "#ccc"; //提示框 current = this.offsetLeft; caution.style.left = current+"px"; } } //鼠標離開 oUl.onmouseout = function(){ //關閉定時器 clearInterval(timer); target = current; timer = setInterval(autoCaution,20); } //緩動動畫 function autoCaution(){ leader = leader +(target - leader) /10; caution.style.left = leader+"px"; } } </script> </head> <body> <div id="box"> <span id="caution"></span> <ul id="list"> <li>首頁</li> <li>公司簡介</li> <li>企業文化</li> <li>招賢納士</li> <li>企業論壇</li> </ul> </div> </body></html>以上就是本文的全部內容，希望本文的內容對大家的學習或者工作能帶來一定的幫助，同時也希望多多支持武林網！
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