Lesson 08 · 12 min
DOM: find and change
A page is a tree of elements. JS can read it and change it.
12 minLesson 8 of 10Practice includedAsk AI on any point
The browser parses HTML into a tree of objects — the DOM. JavaScript can read and change that tree: find a node, replace text, add a class, insert a new element. It all starts with finding things.
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