javascript dynamic arrays

1var input = []; // initialise an empty array
2var temp = '';
3do {
4    temp = prompt("Enter a number. Press cancel or leave empty to finish.");
5    if (temp === "" || temp === null) {
6        break;
7    } else {
8        input.push(temp);  // the array will dynamically grow
9    }
10} while (1);
11