Creating and initializing arrays
Declaring, creating, and initializing an array in JavaScript is as simple, as follows:
We can simply declare and instantiate a new array by using the keyword new
(line {1}
). Also, using the keyword new
, we can create a new array specifying the length of the array (line {2}
). And a third option would be passing the array elements directly to its constructor (line {3}
).
However, using the new
keyword is not a best practice. If you want to create an array in JavaScript, simply use brackets ([]
) like in the following example:
We can also initialize the array with some elements, as follows: