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css 常用的选择器
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发布时间:2019-03-05

本文共 241 字,大约阅读时间需要 1 分钟。

css 常用的选择器

  • id 选择器, #username 表示 id="username" 的元素
  • 元素选择器, h3 标签
  • 类选择器, 例如 .btn 表示 class 包含 btn 的元素
  • 属性选择器, 例如 a[href] 表示有 href 属性的 a 标签
  • 子元素选择器 div>a 表示 div 标签下直接子元素 a
  • 后代选择器, 表示直接或间接子元素, 例如 div a 表示 div 标签下直接或间接 a
  • 多个选择器使用逗号分隔, 例如 input, textarea

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