dom-creation

Question 1

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

Answer 1

The document. createElement method creates any HTML element, which then can be assigned other elements or data and appended or inserted into the page. In the solution, the new paragraph element is inserted before an existing paragraph using the insertBefore method.

Question 2

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

Answer 2

appendChild()

Question 3

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

Answer 3

A class, a property (attribute name, attribute value)

Question 4

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

Answer 4

Create element, append the element to parent.

Question 5

What is the textContent property of an element object for?

Answer 5

To show the text that follows the opening tag of the element.

Question 6

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

Answer 6

setAttribute() and .className

Question 7

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

Answer 7

By manipulating the DOM, you have infinite possibilities. You can create applications that update the data of the page without needing a refresh. Also, you can create applications that are customizable by the user and then change the layout of the page without a refresh.