JS Arrays Flashcards
1
Q
What are arrays used for?
A
which can store a fixed-size collection of elements of the same data type
2
Q
Describe array literal notation.
A
where you define a new array using just empty brackets
3
Q
How are arrays different from “plain” objects?
A
they have a list
4
Q
What number represents the first index of an array?
A
0
5
Q
What is the length property of an array?
A
what ever the amount is in the list
6
Q
How do you calculate the last index of an array?
A
the object then .lastindexof
