Sort numbers in ascending order

Sort a numeric copy instead of using JavaScript’s default string ordering.

JavaScript Version 1.0.0 · MIT · .md

function sortNumbers(values) { return [...values].sort((a, b) => a - b); }

Input & expected output

[
  10,
  2,
  -1,
  2
]

[
  -1,
  2,
  2,
  10
]

The edge case

[]

[]

Know the limits

• The lab accepts finite numbers only. The source array remains unchanged.

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

• Clone an array — Create a new array without copying the objects inside it.
• Remove duplicate values — Keep the first occurrence of each value, in its original order.
• Flatten a nested array — Turn a nested array into one sequence of values.