JS实现时钟效果非常不错

*{
    padding：0；
    margin：0；
}
html, body {
    height: 100%;
    background: #9c9;
}
#warp{
    width:230px;
    height:230px;
    margin:50px auto;
}
#clock{
    width:200px;
    height:200px;
    border-radius:115px;
    border:15px solid #f96;
    background:white;
    position:relative;
}
#number div{
    width:190px;
    height:20px;
    position:absolute;
    left:10px;
    top:90px;
}
#number span{
    display:block;
    width:20px;
    height:20px;
}
.pointer{
    position:absolute;
    bottom:90px;
    transform-origin:50% 90%;
    -webkit-transform-origin:50% 90%;
}
#houre{
    width:5px;
    height:60px;
    left:98px;
    background:black;
}
#minute{
    width:3px;
    height:70px;
    left:99px;
    background:gray;
}
#second{
    width:1px;
    height:80px;
    left:100px;
    background:red;
}

var oNumber=document.getElementById("number");
var oDiv=oNumber.getElementsByTagName("div");
var oSpan=oNumber.getElementsByTagName("span");
for(var i=0;i     oDiv[i].style.WebkitTransform="rotate(" + i * 30 + "deg)";
}   
for(var j=0;j     oSpan[j].style.WebkitTransform="rotate("+ j * -30 + "deg)";
}   
function ColorNumber(){
    var oHoure=document.getElementById("houre");
    var oMinute=document.getElementById("minute");
    var oSecond=document.getElementById("second");

    var nowTime=new Date();
    var nowHoure=nowTime.getHours();
    var nowMinute=nowTime.getMinutes();
    var nowSecond=nowTime.getSeconds();
    var houreDeg=(nowMinute/60)*30;
    var minuteDeg=(nowSecond/60)*6;
    oHoure.style.WebkitTransform="rotate("+ (nowHoure * 30+houreDeg) + "deg)";
    oMinute.style.WebkitTransform="rotate("+ (nowMinute * 6+ minuteDeg) + "deg)";
    oSecond.style.WebkitTransform="rotate("+ (nowSecond * 6) + "deg)";
}
ColorNumber();
setInterval(ColorNumber,1000);

for(var i=0;i     oDiv[i].style.WebkitTransform="rotate(" + i * 30 + "deg)";
}   
for(var j=0;j     oSpan[j].style.WebkitTransform="rotate("+ j * -30 + "deg)";
}