//Write a range function that takes two arguments, start and end, //and returns an array containing all the numbers from start up to //(and including) end.

eloquent.range

function range(start, end, step) {
    var arr = [];
    if (arguments[2] == undefined) {
        for (var i = start; i <= end; i++)
        arr.push(i);
    } else {
        for (var i = start; i <= end; i += step)
        arr.push(i);
    }
    return arr;
}
document.write(range(1, 10, 2));

//