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.

What is the DOM primarily created by?

• The operating system

• The browser

• The server

• The user

Which object holds the entire HTML code and allows page manipulation?

• Navigator object

• Window object

• Document object

• Console object

Which method can be used to access the URL of the current document?

• document.fetchURL()

• document.URL

• document.getURL()

• document.retrieveURL()

What is the structure of the DOM described as?

• A linear list

• A hierarchical tree

• A circular graph

• A random network

What is the topmost node in the DOM hierarchy called?

• Element node

• Root node

• Child node

• Sibling node

In the DOM, what is the relationship between the 'body' and 'head' elements?

• Ancestor-descendant

• Unrelated

• Sibling

• Parent-child

What type of relationship exists between nodes that share the same parent in the DOM?

• Ancestor-descendant

• Cousin

• Sibling

• Parent-child