javascript-arrays Flashcards
1
Q
What are arrays used for?
A
storing list data
2
Q
Describe array literal notation.
A
created using square brackets
3
Q
How are arrays different from “plain” objects?
A
arrays are numerically indexed
4
Q
What number represents the first index of an array?
A
0
5
Q
What is the length property of an array?
A
measures the length of the array
6
Q
How do you calculate the last index of an array?
A
length property - 1
