DOM

Question 1

Does the document.createElement() method insert a new element into the page?

Answer 1

No

Question 2

How do you add an element as a child to another element?

Answer 2

.appendChild()

.append()

Question 3

Which “document” is being referred to in the phrase Document Object Model?

Answer 3

the HTML document

Question 4

What is the word “object” referring to in the phrase Document Object Model?

Answer 4

JavaScript object

Question 5

What is a DOM Tree?

Answer 5

A tree representing each element within the DOM, and its child elements

Question 6

Give two examples of document methods that retrieve a single element from the DOM.

Answer 6

document. getElementById()

document. querySelector()

Question 7

Give one example of a document method that retrieves multiple elements from the DOM at once.

Answer 7

document.querySelectorAll()

Question 8

Why might you want to assign the return value of a DOM query to a variable?

Answer 8

So you can access it again more easily

Question 9

What console method allows you to inspect the properties of a DOM element object?

Answer 9

consle.dir()