Introducing visualViewport | Blog | Chrome for Developers

What if I told you, there's more than one viewport. BRRRRAAAAAAAMMMMMMMMMM And the viewport you're using right now, is actually a viewport within a viewport. BRRRRAAAAAAAMMMMMMMMMM And sometimes, the data the DOM gives you, refers to one of those viewport and not the other. BRRRRAAAAM… wait what? It's true, take a look: Layout viewport vs visual viewport The video above shows a web page being scro

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visualViewportについての解説。 スクロールと更新、リサイズとズームインの判定