1. 实例演示权重的原理与计算方式

<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>1. 实例演示权重的原理与计算方式</title>
    <style>
        /* 权重0,0,1 */
        div {
            color: turquoise;
        }
        /* 权重1,0,2 */
        div#id{
            color:chartreuse
        }
        /* 权重0,1,2 */
        div.class{
            color:blue;
        }
    </style>
</head>
<body>
    <!-- 权重规则:
        1. 实体标记: id, class, tag
        2. 排列顺序: id, class, tag
        3. 记数方式: 选择器中的实体标记数量 -->
    <div id="name">
        这是一个name标签
    </div>
    <div class="class">
        这个是class标签
    </div>
</body>
</html>
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