Zip arrays in JavaScript

Pairs up parallel arrays into tuples, stopping at the shortest.

function zip(...arrays) {
  const length = Math.min(...arrays.map((a) => a.length));
  return Array.from({ length }, (_, i) =>
    arrays.map((array) => array[i]),
  );
}

Keywords and builtins used here

• Array
• Math
• const
• from
• function
• return

The run, in numbers

Lines

6

Characters to type

160

Tokens

61

Three-star pace

90 tpm

At the three-star pace of 90 tokens a minute, this run takes about 41 seconds.

Type this snippet

Step 7 of 10 in Arrays, step 23 of 43 in Language basics.

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