Get the arrays of digits from a number

Split a non-negative integer into its decimal digits.

JavaScript Version 1.0.0 · MIT · .md

function digitize(n) { return [...`${n}`].map(digit => Number(digit)); }

Input & expected output

8812

[
  8,
  8,
  1,
  2
]

The edge case

0

[
  0
]

Know the limits

• Non-negative integers only: a minus sign or decimal point would not be a digit.

The function above is the implementation used by the lab. The lab validates JSON types and caps size before execution; include equivalent validation when accepting untrusted input in your application.

Keep exploring

• Clamp a number to a range — Keep a number inside an inclusive minimum and maximum.
• Round to a number of digits — Apply decimal scaling and JavaScript rounding for display-oriented values.
• Add an ordinal suffix to a number — Append st, nd, rd or th to a positive integer.