_JavaScript_range_iterable

range.js

function *range(start=0, stop, step=1) {
    while(start < stop) {
        yield start;
        start+=step;
    }
}

console.log(...range(0, 5)); // 0 1 2 3 4
console.log(...range(0, 10, 2)); // 0 2 4 6 8
console.log(...range(1, 20, 3)); // 1 4 7 10 13 16 19