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css3 的渐变分为线性渐变和径向渐变

css3 的渐变分为线性渐变径向渐变

<style>
        * {
            margin: 0;
            padding: 0;
            font-size: 0.16rem;
        }
//线性渐变:
        #jb {
            width: 500px;
            height: 200px;
            /*线性渐变*/
            background-image: linear-gradient(red, yellow);
        }

        #jb1 {
            width: 500px;
            height: 200px;
            /*方向线性渐变*/
            background-image: linear-gradient(to top right, red, yellow);
        }

        #jb2 {
            width: 500px;
            height: 200px;
            /*角度线性渐变*/
            background-image: linear-gradient(45deg, red, yellow);
        }

        #jb3 {
            width: 500px;
            height: 200px;
            /*多种颜色等比例渐变*/
            background-image: linear-gradient(to bottom right, red 0%, yellow 30%, orange 60%, green 100%);
        }
  //径向渐变 :
        #jb4 {
            width: 500px;
            height: 200px;
            /*两种颜色径向渐变*/
            background-image: radial-gradient(green, blue);
        }

        #jb5 {
            width: 500px;
            height: 200px;
            /*椭圆径向渐变*/
            background-image: radial-gradient(ellipse, red, yellow);
        }

        #jb6 {
            width: 500px;
            height: 200px;
            /*圆形可设置大小的径向渐变*/
            background-image: radial-gradient(circle 100px, #000, #ff0000);
        }

        #jb7 {
            width: 500px;
            height: 200px;
            /*重复的径向渐变*/
            background-image: repeating-radial-gradient(circle 50px, #000, #ff0000);
        }

        /* 文字渐变 */
        .text-gradient {
            display: inline-block;
            font-family: '微软雅黑';
            font-size: 0.16rem;
            position: relative;
        }

        .text-gradient[data-text]::after {
            content: attr(data-text);
            color: #FBEE00;
            position: absolute;
            left: 0;
            z-index: 2;
            -webkit-mask-image: -webkit-gradient(linear, 0 0, 0 bottom, from(#FBEE00), to(rgba(251, 246, 147, .6)));
        }
    </style>
</head>

<body>
    <h2>线性渐变</h2>
    <div id="jb">
        线性渐变
    </div>
    <div id="jb1">
        方向线性渐变
    </div>
    <div id="jb2">
        角度线性渐变
    </div>
    <div id="jb3">
        多种颜色等比例渐变
    </div>
    <h2>径向渐变</h2>
    <div id="jb4">
        两种颜色径向渐变
    </div>
    <div id="jb5">
        椭圆径向渐变
    </div>
    <div id="jb6">
        圆形可设置大小的径向渐变
    </div>
    <div id="jb7">
        重复的径向渐变
    </div>
    <h3 class="text-gradient" data-text="文字渐变">文字渐变</h3>

</body>
<script>
  //重复的径向渐变通过添加定时器设置
    var jb = document.getElementById("dd7");
    var sz = 50;
    setInterval(function () {
        sz+= 5;
        if (sz >= 100) {
            sz = 50;
        }
        jb.style.backgroundImage = 'repeating-radial-gradient(circle ' + sz + 'px,red,yellow)';
    }, 200);
</script>

posted on 2020-01-03 14:54  乖乖女dome  阅读(249)  评论(0编辑  收藏  举报