Javascript Arrays Flashcards

1
Q

What are arrays used for?

A

Storing data (listed)

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2
Q

Describe array literal notation.

A

Var = {values}

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3
Q

How are arrays different from “plain” objects?

A

Arrays start at the value 0.

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4
Q

What number represents the first index of an array?

A

0

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5
Q

What is the length property of an array?

A

It gives you the value of the last item in the array.

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6
Q

How do you calculate the last index of an array?

A

array.length - 1

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