Dom manipulation

Question 1

What is the className property of element objects?

Answer 1

gives us the current classes on the object/ allows updates to classes

Question 2

How do you update the CSS class attribute of an element using JavaScript?

Answer 2

object.className = newClass

Question 3

What is the textContent property of element objects?

Answer 3

gives the current text of the element

Question 4

How do you update the text within an element using JavaScript?

Answer 4

object.textContent = newText

Question 5

Is the event parameter of an event listener callback always useful?

Answer 5

no

Question 6

Would this assignment be simpler or more complicated if we didn’t use a variable to keep track of the number of clicks?

Answer 6

harder

Question 7

Why is storing information about a program in variables better than only storing it in the DOM?

Answer 7

Its easier to recall if assigned to a variable