array index 1 to 100 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: how to make an array of a value from 1 to the number

[ ...Array(N).keys() ].map( i => i+1);