array with n elements javascript code example

Example: javascript create array from 1 to n

// Javascript create array from 1 to n 

[...Array(n+1).keys()].slice(1)

// E.g. for n = 10:
// [...Array(11).keys()].slice(1)
// => [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]