How to get the size of the viewport in CSS? [duplicate]

2012年12月27日 — viewport 規則套用，寬度設定為 device-width ，且初始縮放數值為 1; @media 套用於 screen 與其條件 (min-width: 768px); @media 套用於 ...

2022年8月1日 — vw stands for Viewport Width and represents a percentage of the width of the viewport. The number placed before vw is the percentage of the ...

2023年5月16日 — It is a unit of measurement that refers to the width of the viewport, or the visible area of a web page. One vw is equal to 1% of the viewport ...

2024年4月29日 — The viewport was originally 1200 x 800 pixels. Upon zooming in, the viewport became 800 x 533 pixels. This is the layout viewport. Sticky ...

2023年10月30日 — The browser's viewport is the area of the window in which web content can be seen. This is often not the same size as the rendered page, ...

2020年10月23日 — Consider using viewports. In CSS, viewports are specified as vw or vh (viewport width and viewport height respectively).

2023年12月20日 — Since the introduction of CSS viewport units in 2012, many of us have been using width: 100vw as a way to set an element's width to the full ...

This gives the browser instructions on how to control the page's dimensions and scaling. The width=device-width part sets the width of the page to follow the ...

CSS Units. CSS has several different units for expressing a length. Many CSS properties take length values, such as width , margin , padding , font-size ...