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The Document Object Model, or DOM, is introduced as a JavaScript object that mirrors the web page displayed in a browser []. This object acts as an interface, or API, allowing developers to manipulate the page's content and structure. When a web browser loads an HTML document, it automatically builds this DOM representation, organizing elements in a tree-like hierarchy with the `<html>` element serving as the root []. This hierarchical structure is fundamental to how JavaScript interacts with and modifies web pages.
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The Document Object Model, or DOM, is introduced as a JavaScript object that mirrors the web page displayed in a browser []. This object acts as an interface, or API, allowing developers to manipulate the page's content and structure. When a web browser loads an HTML document, it automatically builds this DOM representation, organizing elements in a tree-like hierarchy with the `<html>` element serving as the root []. This hierarchical structure is fundamental to how JavaScript interacts with and modifies web pages.