Median of numbers in JavaScript

The middle value, which needs a sort and a decision about even-length input.

function median(numbers) {
  const sorted = [...numbers].sort((a, b) => a - b);
  const mid = Math.floor(sorted.length / 2);
  return sorted.length % 2
    ? sorted[mid]
    : (sorted[mid - 1] + sorted[mid]) / 2;
}

Keywords and builtins used here

• Math
• const
• function
• return

The run, in numbers

Lines

7

Characters to type

200

Tokens

70

Three-star pace

90 tpm

At the three-star pace of 90 tokens a minute, this run takes about 47 seconds.

Type this snippet

Step 9 of 10 in Arrays, step 25 of 43 in Language basics.

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