JS Array question

Unity Engine
,
1

This may be a very dumb question but how can I pre populate a built-in array in JS? Unity seems to have none of it.

JS arrays are simple:
var values = new Array(1.0,2.0,3.0,4.0,5.0);

What about assigning values into a built-in array on declaration?
var values : float[ ];

2

This way:

var values = [1.0,2.0,3.0,4.0,5.0];

or that:

var values = new float[5];
values[0] = 1.0;
values[1] = 2.0;

And so on…