Top layer - MDN Web Docs Glossary: Definitions of Web-related terms
By A Mystery Man Writer
Description
The top layer is a specific layer that spans the entire width and height of the viewport and sits on top of all other layers displayed in a web document. It is created by the browser to contain elements that should appear on top of all other content on the page.
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three (@othree) / X
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Web infrastructure design. 0. Simple Web Stack
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