![]() ![]() Resize both the Visual Viewport and Layout Viewport.Resize only the Visual Viewport and offset the Layout Viewport.When doing so, browsers respond in one of the following ways in relation to the various viewports: This keyboard, often referred to as a virtual keyboard,allows users to enter content into the editable area. When focussing an input or any other editable area, devices–mostly touchscreen devices–can show an on-screen keyboard. Note how the Visual Viewport is contained inside the Layout Viewport. Visualization of the Visual Viewport (orange outline) on a pinch-zoomed page. When pinch-zooming in, you shrink the size of the Visual Viewport in relation to the Layout Viewport. Visualization of the Visual Viewport (orange outline). At zoom level 1 this Visual Viewport is as large as the Layout Viewport. It represents the portion of the viewport that is currently visible. In addition to this Layout Viewport, the browser also offers a Visual Viewport. Shown are (from left to right) Safari on iPhone, Chrome on Android, and Firefox on Android. Visualization of the Layout Viewport (blue outline) in mobile browsers, each with two elements that are laid out using position: fixed (blue boxes). As the Layout Viewport remains in place as you scroll down a page, so will elements that use position: fixed. When positioning elements using position: fixed, these will be laid out against that Layout Viewport. Visualization of the Layout Viewport (blue outline) in a desktop browser. When the content of a page grows too large, the browser offers a scrolling mechanism. This viewport is also known as the Layout Viewport. Instead, the browser offers you a viewport through which you get to see a portion of the page. When visiting a website, you don’t get to see the entire page's contents after it has loaded. # The Layout Viewport and the Visual Viewport Here's some background on what's happening, why Chrome is making this change, and what you can do to prepare. This will bring Chrome on Android’s behavior up to par with that of Chrome on iOS and Safari on iOS. With this change, Chrome on Android will no longer resize the Layout Viewport, and instead resize only the Visual Viewport. In November, with the release of Chrome 108, Chrome will make some changes to how the Layout Viewport behaves when the on-screen keyboard (OSK) gets shown. ![]()
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