js旋转

<!DOCTYPE html>

<html>

    <head>

        <meta charset="utf-8">

<style>

        div{

        background: repeating-linear-gradient(45deg,red,yellow 20%);

        width: 200px;

        height: 200px;

        border-radius: 50%;

        text-align: center;

        line-height: 200px;

        animation-name: MX;

        animation-duration:6s;

        animation-timing-function:linear;

        /*动画速度曲线*/

        animation-iteration-count:infinite;

        /*动画无限次播放*/

        transition-property: height;

        /*2b转换需要属性的名称*/

        transition-duration: 6s;

        /*2d转换时间*/

        transition-timing-function: linear;

         /*转换速度曲线*/}

        @keyframes MX

        {

        from{font-size: 0px;color:black;}

        to{font-size: 80px;color:white;}

        }

        /*#ym:hover{

            animation-play-state:paused;

            停止2d转换

            }*/

</style>

</head>

<body>

<script>

    var x=0;

    var timerid;

    var fx;

    function start(){

        clearInterval(timerid)

        timerid=setInterval(function(){

        if(x==0)

          fx=true

        if(fx==true)

          x=x+1;

        if(x==360)

          fx=false

        if(fx==false)

           x=x-1

        document.getElementById("ym").style.transform='rotate(' + x + 'deg)';

    },30)

}

// clearInterval() 方法可取消由 setInterval()函数佘定德定时执行操作。

// clearInterval() 方法的参数必须是由 setInterval() 返回的 ID 值。

// setInterval() 方法可按照指定的周期（以毫秒计）来调用函数或计算表达式。

</script>

<!--onmouseover="clearInterval(timerid)" onmouseout="start()"-->

<div id="ym" >明</div>

<button onclick="start()">开始</button>

<button onclick="clearInterval(timerid)">停止</button>

</body>

</html>

css旋转

<!DOCTYPE html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <title>Document</title>

    <style type="text/css">

        *{padding: 0;

        margin: 0;}

        #a{

            width:500px;

            height:500px;

            margin: 300px auto;

            transform: translate(-50%,-50%);

            background: repeating-linear-gradient(60deg,#0ff,#00f,#0f0 10%);

            border-radius:50%;

            /*animation:run 6s linear 5s infinite alternate;*/

            animation-name: run;

            animation-duration:6s;

            animation-timing-function: linear;

            animation-delay:0s;

            animation-iteration-count:infinite;

            animation-direction: /*normal|*/alternate;

        }

        #a:hover{

            animation-play-state:paused;

        }

         p{

             position: absolute;

             top: 50%;

             left: 50%;

             transform: translate(-50%,-50%);

             /*利用绝对定位和2d转换进行水平垂直居中*/

         }

        @keyframes run{

            from{

                transform:rotate(0deg);font-size: 0px;color:black;

            }

            to{

                transform:rotate(360deg);font-size: 80px;color:white;

            }

        }

    </style>

</head>

<body>

    <div id="a"><p>我</P></div>

</body>

Document

巴特西

JS旋转和css旋转

js旋转

css旋转

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