10進数からN進数に変換するプログラム

function convertBasedRepr(x, n) {
	var result = []
	
	do {
		var t = x % n
		result.push(t)
		var m = Math.floor(x / n)

		if (m < n) {
			if (m !== 0) {
				result.push(m)
			}
			break
		}
		x = (x - t) /n
	} while(1)

	return result
}

main(20);

function main(max) {
	for (var i = 0; i < max; i++) {
		console.log(JSON.stringify(convertBasedRepr(i ,2).reverse()))
	}
}
//配列の0要素が1桁目と成るので反転して出力しています。

[0]
[1]
[1,0]
[1,1]
[1,0,0]
[1,0,1]
[1,1,0]
[1,1,1]
[1,0,0,0]
[1,0,0,1]
[1,0,1,0]
[1,0,1,1]
[1,1,0,0]
[1,1,0,1]
[1,1,1,0]
[1,1,1,1]
[1,0,0,0,0]
[1,0,0,0,1]
[1,0,0,1,0]
[1,0,0,1,1]

main(50);

function main(max) {
	var  based_strings = "0123456789abcdefghijklmnoqrstuvwxyz".split("") // 0-zの文字列の配列
	for (var i = 0; i < max; i++) {
		var based_n = convertBasedRepr(i ,16);
		var dst = "";
		for (var j = 0; j < based_n.length; j++) {
			dst = based_strings[
				based_n[j]
			] + dst
		}
		console.log(dst)
	}
}

0
1
2
3
4
5
6
7
8
9
a
b
c
d
e
f
10
11
12
13
14
15
16
17
18
19
1a
1b
1c
1d
1e
1f
20
21
22
23
24
25
26
27
28
29
2a
2b
2c
2d
2e
2f
30
31