Does JavaScript have a method like “range()” to generate a range within the supplied bounds?

Question

In PHP, you can do...

range(1, 3); // Array(1, 2, 3)
range(\"A\", \"C\"); // Array(\"A\", \"B\", \"C\")

That is, there is a function that l

Answer 1

I would code something like this:

function range(start, end) {
    return Array(end-start).join(0).split(0).map(function(val, id) {return id+start});
}  

range(-4,2);
// [-4,-3,-2,-1,0,1]

range(3,9);
// [3,4,5,6,7,8]

It behaves similarly to Python range:

>>> range(-4,2)
[-4, -3, -2, -1, 0, 1]