range between two numbers javascript

1var list = [];
2for (var i = lowEnd; i <= highEnd; i++) {
3    list.push(i);
4}

1const range = (start, end, step = 1) => {
2  let output = [];
3
4  if (typeof end === 'undefined') {
5    end = start;
6    start = 0;
7  }
8
9  for (let i = start; i < end; i += step) {
10    output.push(i);
11  }
12
13  return output;
14};