Lecture 02

What does the Document Object Model (DOM) represent?

• A set of images on a webpage

• The structure and content of a webpage as a tree of objects

• A programming language for creating web pages

• A style sheet language for designing web pages

Which of the following is NOT a part of the W3C DOM standard?

• Core DOM

• XML DOM

• CSS DOM

• HTML DOM

What is the purpose of the Core DOM?

• To define a standard for HTML documents

• To define a standard for XML documents

• To provide a model for all document types

• To interact with CSS styles

In the DOM, what does every HTML element become?

• A method

• A node

• A property

• An event

What is the function of the innerHTML property?

• Deletes an HTML element

• Changes or retrieves the content of an HTML element

• Creates a new HTML element

• Attaches an event to an element

Which method is used to select an element by its ID?

• getElementById()

• getElementsByTagName()

• querySelectorAll()

• createElement()

What is the main advantage of using addEventListener()?

• It overwrites all existing event handlers.

• It allows multiple event handlers on the same element.

• It can only handle click events.

• It requires inline JavaScript.

What does the method createElement() do?

• Removes an HTML element from the DOM

• Creates a new HTML element in the DOM

• Appends a child to an existing element

• Retrieves an element by its class name

In the DOM node hierarchy, what term is used for elements at the same level?

• Parent

• Child

• Sibling

• Root

What happens when you use the removeChild() method?

• A new child is added to the DOM

• An event listener is removed

• An existing child is removed from the DOM

• A property of an element is modified