dom-manipulation

Question 1

What is the className property of element objects?

Answer 1

the class names on the element that we chose

Question 2

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

Answer 2

using className property

Question 3

What is the textContent property of element objects?

Answer 3

it retrieves and replaces the text content of the html element

Question 4

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

Answer 4

textContent property

Question 5

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

Answer 5

generally useful not always

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

it would be harder

Question 7

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

Answer 7

DOM does not need to repull - we cannot depend on the DOM