js数字滑动时钟的简单实现(示例讲解)

2020-11-27 来源：尚佳旅游分享网

废话不多说，直接上代码

<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <title>Document</title>
 <style type="text/css">
 body,ul{margin:0;padding: 0;}
 .content{margin:100px auto;width: 1000px;}
 .box{position: relative;float: left;width: 50px;height: 120px;overflow: hidden;}
 .box li{position: absolute;left: 0;width:100%;height: 120px;list-style:none;font-size:80px;font-weight: bold;background-color: #fff; line-height: 120px; text-align: center;}
 .colon{float: left;height: 120px;font-size: 80px;color: #e91e63;font-weight: bold;line-height: 100px;}
 </style>
</head>
<body>
 <div class="content">
 </div>
 <script type="text/javascript">
 (function(){
 var colors = ["#69D2E7", "#E20049", "#19215E", "#F38630", "#FA6900", "#FF4E50", "#F9D423", "#FFB6FF", "#474168", "#6ACAFC"];
 var content = document.querySelector('.content');
 var num = 0;
 var height = 120;
 var maxheight = (2-num)*height;
 var timeNum = [3,10,6,10,6,10];
 var position = [];
 var NumberBoxs = [];
 for(var i =0;i<10;i++){
 position.push((1-i)*height);
 };
 function NumberBox() {}
 NumberBox.prototype = {
 init : function () {
 var innerHTML = "<div class='box' id='box"+num+"'><ul>"
 this.num = num;
 num++;
 for(var i =0,l=timeNum[this.num];i<l;i++){
 innerHTML += "<li style='color:"+colors[i]+"'>"+i+"</li>";
 }
 innerHTML += "</ul><div>"
 content.innerHTML += innerHTML;
 if(num==2||num==4){content.innerHTML += "<div class='colon'>:</div>"}
 },
 dominit : function(){
 this.Ali = [].slice.call(document.getElementById('box'+this.num).getElementsByTagName('li'),0); 
 this.Ali.forEach(function(dom,i){
 dom.style.top = position[i] + "px";
 dom.style.transition = "top .8s";
 }) 
 this.hasdom = true; 
 },
 toNum : function (n) {
 if(!this.hasdom){this.dominit();}
 n = ""+n;
 var p = this;
 var l = p.Ali.length-1;
 while(p.Ali[1].innerHTML!=n){
 p.Ali.unshift(p.Ali.pop());
 }
 p.Ali.forEach(function (dom,i) {
 dom.style.zIndex = (i==l)?"-1":"1";
 dom.style.top = position[i] + "px";
 }) 
 }
 }
 for(var i=0;i<6;i++){
 var o = new NumberBox();
 o.init();
 NumberBoxs.push(o);
 }
 function getTime() {
 var time = new Date();
 return (""+Fixed2(time.getHours())+Fixed2(time.getMinutes())+Fixed2(time.getSeconds())).split("");
 }
 function Fixed2(n){
 return Number(n)<10?"0"+n:n;
 }
 (function () {
 var time = getTime();
 NumberBoxs.forEach(function(obj,i){
 obj.toNum(time[i]);
 });
 setTimeout(arguments.callee,1000);
 })()
 })();
 </script>
</body>
</html>

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js数字滑动时钟的简单实现(示例讲解)