JavaScript Masterclass - Zero to Job-Ready with Hands-On Projects - DOM In-Depth / 045

The video tutorial introduces the Document Object Model (DOM), explaining how it is created by the browser when an HTML document is loaded. It discusses the document object, which contains the entire HTML code and offers properties and methods for page manipulation. The tutorial demonstrates accessing document properties like location, domain, URL, and title. It explains the hierarchical tree structure of the DOM, detailing the relationships between nodes, including parent, child, and sibling nodes. The video concludes with a summary and a preview of the next lecture, which will explore selecting and manipulating DOM elements.

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