how to create array containing 1 to n es6 code example

Example 1: how to fill array with consecutive numbers javascript

Array.from({length: n}, (_, i) => i + 1)
//=> [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]

Example 2: create array with number js

var foo = new Array(45); // create an empty array with length 45