es6 array from n to code example

Example 1: generate array range

for (i of range(1, 5)) {
    console.log(i);
}
/* Output
 * 1 2 3 4 5 */

[...range(1, 5)] // [1, 2, 3, 4, 5]

Example 2: list from 1 to 100 js

[...Array(100).keys()]
//=> [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]