V2EX viewport

Viewport

释义 Definition

viewport(名词):视口;指在屏幕或窗口中“可见的区域”。在网页与图形中,常指浏览器里当前可看到的页面区域(会随窗口大小、缩放、手机设备等变化)。在计算机图形学/3D中,也可指摄像机/渲染所能看到的画面范围。

发音 Pronunciation

/vjuprt/

例句 Examples

The site looks fine on desktop, but it breaks on a small viewport.
这个网站在电脑上看起来没问题,但在较小的视口下就会乱掉。

As the user zooms in, the viewport changes, so we recalculate the layout to keep the navigation readable.
当用户放大页面时,视口会发生变化,因此我们重新计算布局以保证导航可读。

词源 Etymology

view(观看)+ port(口、入口、窗口)组成,字面意思是“观看的窗口/开口”。在早期计算机图形与界面语境中,用来表示“你能看到的那一块区域”,后来在网页开发中固定用作“浏览器可视区域(视口)”。

相关词 Related Words

文学与著作 Literary Works

  • CSS: The Definitive Guide(Eric A. Meyer)讨论布局与可视区域时会涉及 viewport 概念
  • HTML and CSS: Design and Build Websites(Jon Duckett)在响应式与移动端页面语境中常提到视口
  • Designing with Web Standards(Jeffrey Zeldman)关于跨设备显示与浏览器呈现时会涉及 viewport 相关用法
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