反正,我的抖音没人看,别人都有几十万个赞什么的。

发到思否上来,大家交流下~

主要用到原生态的 JS+CSS3。

具体不解释了,看注释:

 <!DOCTYPE html><html lang="en"><head>    <meta charset="UTF-8">    <title>Title</title>    <style>        html{            background: #000;            color: #666;            font-size: 12px;            overflow:hidden;        }        *{            margin: 0;            padding: 0;        }        span{            display: block;            float: left;        }        .on{            color: #fff;        }        .wrapper{            width: 200px;            height: 200px;            position: absolute;            left:50%;            top:50%;            margin-top: -100px;            margin-left: -100px;        }        .wrapper .timebox{            position: absolute;            width: 200px;            height: 200px;            top: 0;            left:0;            border-radius: 100%;            transition: all 0.5s;        }        .timebox span{            transition: all 0.5s;            float: left;        }        .wrapper  .timebox span{            position: absolute;            left:50%;            top:50%;            width: 40px;            height: 18px;            margin-top: -9px;            margin-left: -20px;            text-align: right;        }     </style></head><body> <div id="wrapper">    <div class="timebox yuebox" id="yueBox"></div>    <div class="timebox riqiBox" id="riqiBox"></div>    <div class="timebox hourbox" id="hourbox"></div>    <div class="timebox minutebox" id="minutebox"></div>    <div class="timebox secondbox" id="secondbox"></div></div>  <script>     let wrapper = document.getElementById("wrapper");    let yueBox = document.getElementById("yueBox");    let riqiBox = document.getElementById("riqiBox");    let hourbox = document.getElementById("hourbox");    let minutebox = document.getElementById("minutebox");    let secondbox = document.getElementById("secondbox");     /*    * 找所有的东西标签函数    * */    let findSiblings = function( tag ){        let parent = tag.parentNode;        let childs = parent.children;        let sb = [];        for(let i=0 ; i <= childs.length-1 ; i++){            if( childs[i]!==tag){                sb[sb.length] = childs[i];            }        }        return  sb ;    };     /*    * 去掉所有兄弟的类    * */    let removeSiblingClass =function( tag ){        let sb = findSiblings( tag );        for(let i=0 ;  i <= sb.length-1 ; i++){            sb[i].className = "";        }    };     /*    * 初始化月份函数    * */    let initMonth = function(){      for(let i=1; i<=12; i++){            let span = document.createElement("span");            span.innerHTML = i+"月";            yueBox.appendChild( span );      }    };     // 初始化日期    let initDate = function(){        for(let i=1; i<=31; i++){            let span = document.createElement("span");            span.innerHTML = i+"日";            riqiBox.appendChild( span );        }    };     // 初始化小时,分钟,秒    let initHour = function(){        for(let i=0; i<=23; i++){            let h = i ;            let span = document.createElement("span");            if( h<10){                h="0"+h;            }            span.innerHTML = h +"点";            hourbox.appendChild( span );        }    };    let initMinute = function(){        for(let i=0; i<=59; i++){            let  f = i ;            let span = document.createElement("span");            if( f<10){                f="0"+f;            }            span.innerHTML = f +"分";            minutebox.appendChild( span );        }    };    let initSecond = function(){        for(let i=0; i<=59; i++){            let  miao = i ;            let span = document.createElement("span");            if( miao<10){                miao="0"+miao;            }            span.innerHTML = miao +"秒";            secondbox.appendChild( span );        }    };     // 时间文字样式切换函数    let changeTime = function(tag){        tag.className = "on";        removeSiblingClass( tag );    };     /*    * 初始化日历函数    * */    let initRili = function(){        initMonth(); // 初始化月份        initDate(); // 初始化日期        initHour(); // 小时        initMinute();        initSecond();    };     /*    * 展示当前时间    * 参数:mydate 时间对象    * */    let  showNow = function( mydate ){         let yue = mydate.getMonth() ;        let riqi = mydate.getDate();        let hour = mydate.getHours()  ;        let minute = mydate.getMinutes();        let second = mydate.getSeconds();        // 时间文字样式切换函数        changeTime( yueBox.children[yue] );        changeTime( riqiBox.children[riqi-1] );        changeTime( hourbox.children[hour] );        changeTime( minutebox.children[minute] );        changeTime( secondbox.children[second] );     };     // 展示时间圆圈函数    // tag:目标    // num:数字数量    // dis:圆圈半径    let textRound = function(tag,num,dis){        let span = tag.children ;        for(let i=0 ; i<=span.length-1; i++){            span[i].style.transform="rotate("+ (360/span.length)*i+"deg)  translateX("+dis+"px)" ;        }    };    /*    * 旋转指定“圆圈”指定度数    * */    let rotateTag = function(tag , deg){        tag.style.transform = "rotate("+deg+"deg)";    };     let main = function(){        initRili(); // 初始化日历         setInterval(function(){            let mydate = new Date();            showNow( mydate ); // 展示当前时间        },1000);         //  n秒后,摆出圆形        setTimeout(function(){            wrapper.className = "wrapper";            textRound(yueBox,12,40);            textRound(riqiBox,31,80);            textRound(hourbox,24,120);            textRound(minutebox,60,160);            textRound(secondbox,60,200);            setInterval(function(){                let mydate = new Date();                rotateTag( yueBox , -30*mydate.getMonth());                rotateTag( riqiBox , -360/31*(mydate.getDate()-1) );                rotateTag( hourbox , -360/24*mydate.getHours());                rotateTag( minutebox , -6*mydate.getMinutes());                rotateTag( secondbox , -6*mydate.getSeconds());            },1000)        },6000)     };    main();   </script> </body></html>