ARRAYS

Question 1

What is an Array?

Answer 1

Arrays are JavaScript’s way of making lists. Arrays can store any data types (including strings, numbers, and booleans). Like lists, arrays are ordered, meaning each item has a numbered position.

Question 2

How to create an Array ?

Answer 2

Is to use an array literal. An array literal creates an array by wrapping items in square brackets [].
Remember, arrays can store any data type — we can have an array that holds all the same data types or an array that holds different data types.

Question 3

How is called the content item in an array ?

Answer 3

Each content item inside an array is called an element.

Question 4

What is the keyword for position of each item in an array?

Answer 4

An index

Question 5

How to access one fo the item of an array ?

Answer 5

We can access one item in an array using its index, with syntax like: myArray[0].

Question 6

What do the method .pop() ?

Answer 6

Remove items from an array

Question 7

What do the method .push()?

Answer 7

Add a items to an array