You type a web address, your browser asks a server for files, the server sends HTML, CSS and JavaScript back, and the browser paints the page. That's the whole magic trick.
Which language gives a page its structure?
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Code Quest: Build Your First App
HTML, CSS and JavaScript basics through mini-builds.
Teensby Mr Hallam Updated 2026-08-05
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This is a full course — preview the first lesson free, then choose a role to unlock everything and save your progress.