Convert numbers to letters beyond the 26 character alphabet

Question

I\'m creating some client side functions for a mappable spreadsheet export feature.

I\'m using jQuery to manage the sort order of the columns, but each column is ord

Answer 1

This is a very easy way:

function numberToLetters(num) {
    let letters = ''
    while (num >= 0) {
        letters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'[num % 26] + letters
        num = Math.floor(num / 26) - 1
    }
    return letters
}