dom-creation

Question 1

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

Answer 1

No, it doesn’t. It only creates an element.

Question 2

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

Answer 2

parentElement.appendChild(childElement)

Question 3

What do you pass as the arguments to the element.setAttribute() method?

Answer 3

name and value

Question 4

What steps do you need to take in order to insert a new element into the page?

Answer 4

1. You create the new element
2. element.appendChild(), call the appendChild method on the parent element already being displayed on the page. or on a parent element that will be appended on an element already being displayed on the page.

Question 5

What is the textContent property of an element object for?

Answer 5

To set visible text of an element to be displayed on the screen.

Question 6

Name two ways to set the class attribute of a DOM element.

Answer 6

elements.className = ‘new-class’ or element.classList.add(‘new-value’);

Question 7

What are two advantages of defining a function to do create something (like the work of creating a DOM tree)?

Answer 7

Reusability and effectiveness of code.