V2EX vw

Vw

释义 Definition

vw 是 CSS(层叠样式表)里的长度单位,表示 viewport width(视口宽度) 的百分比:1vw = 视口宽度的 1%。常用于响应式布局与字号、间距的自适应设置。
(注:在其他语境中,
VW
也可能指 Volkswagen(大众汽车) 的缩写。)

发音 Pronunciation (IPA)

/vi dbl.ju/

例句 Examples

Set the font size to 2vw for responsive scaling.
把字体大小设为 2vw 以实现响应式缩放。

On large screens, the hero image is 60vw wide, but a media query caps it to prevent it from becoming too big.
在大屏幕上,主视觉图片宽度是 60vw,但通过媒体查询设置上限,避免它变得过大。

词源 Etymology

vw 来自缩写:v = viewport(视口),w = width(宽度)。这是 Web 开发中为适配不同屏幕尺寸而形成的单位体系之一(与 vh 等并列)。

相关词 Related Words

文学与写作作品 Literary Works

  • W3C CSS Values and Units Module Level 3/4(CSS 单位规范中系统定义并使用 vw
  • MDN Web Docs length (CSS data type) / viewport-percentage lengths(教学型技术写作中大量出现 vw
  • Eric A. Meyer CSS: The Definitive Guide(CSS 经典书籍中讨论响应式单位时会涉及 vw
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