javascript-arrays Flashcards
1
Q
What are arrays used for?
A
To store data related to eachother
2
Q
Describe array literal notation
A
a variable is assigned to a bracket of values, separated by commas.
3
Q
How are arrays different from ‘plain’ objects?
A
Arrays are 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
To show how many values are stored in the array
6
Q
How do you calculate the last index of an array?
A
object.length - 1
