V2EX media query

Media Query

释义 Definition

媒体查询:网页前端(尤其是 CSS)中的一种语法,用来根据设备或浏览环境的特征(如屏幕宽度、分辨率、方向、是否可打印等)应用不同的样式,从而实现响应式设计。也可泛指在网页开发中“针对不同媒体/条件做条件判断”的规则。(在更广义语境中也可能指“媒体领域的调查/询问”,但最常见用法是 CSS 术语。)

发音 Pronunciation (IPA)

/midi kwri/

例句 Examples

This layout changes with a media query.
这个布局会通过媒体查询而改变。

If the viewport is narrower than 600px, the media query switches the navigation into a vertical menu to improve readability on small screens.
如果视口宽度小于 600 像素,媒体查询会把导航切换为竖排菜单,以提升小屏幕上的可读性。

词源 Etymology

media 源自拉丁语 medium(“媒介、介质”),在计算机领域常指“媒体类型/呈现环境”(如 screen、print)。query 来自拉丁语 quaerere(“询问、寻求”),在技术语境中常指“查询/条件判断”。合在一起,media query 就是“对媒体(呈现环境)条件进行查询”,从而决定采用哪套样式规则。

相关词 Related Words

文学与著作中的用例 Literary / Notable Works

  • CSS: The Definitive Guide(Eric A. Meyer)在响应式与样式规则章节中讨论媒体查询的用法与写法。
  • HTML and CSS: Design and Build Websites(Jon Duckett)介绍响应式网页设计时使用媒体查询作为核心工具之一。
  • W3C / WHATWG 相关规范文档(如 Media Queries 规范、CSS 规范)以正式术语与语法定义的形式大量出现该词。
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