dom-manipulation Flashcards

1
Q

What is the className property of element objects?

A

It gets and sets the value of the class attribute of the specified element

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2
Q

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

A

Element selector, dot, className, equals, the desired class(es) in quotes

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3
Q

What is the textContent property of element objects?

A

It represents the text content of the node and its descendants

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4
Q

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

A

Node selector, dot, textContent, equals, the desired text

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5
Q

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

A

No

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6
Q

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

A

More complicated

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7
Q

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

A

It’s faster and we can reuse it whenever it is needed

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