DOM Creation

Question 1

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

Answer 1

No, just makes it. Doesn’t exist on page until you use the append method.

Question 2

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

Answer 2

appendChild( ) method

Question 3

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

Answer 3

Two arguments: name and value (both as strings)

Question 4

Name two ways to set theclassattribute of a DOM element.

Answer 4

Element.setAttribute( )

Element.className

Question 5

What is thetextContentproperty of an element object for?

Answer 5

To get text content or to set the text content of an element

Question 6

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

Answer 6

createElement and then append it

Question 7

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

Answer 7

Defining a function allows for reusability so you don’t have to write the function over and over. Defined functions are also easy to test.