Run results for: Lodash uniq vs ES6 Set and sort with 2 arrays

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36

Browser: Chrome 130

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Lodash uniq

5.0M/s

ES6 set and sort

605K/s

View exact numbers

Test name	Executions per second
✓ Lodash uniq	4,985,402 Ops/sec
ES6 set and sort	605,182 Ops/sec

HTML Preparation code:


<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Script Preparation code:

const array1 = [
  "hijkl", "abc", "mn", "opqrs", "defg",
  "tuv", "wxy", "zab", "cde", "fghij",
  "klmno", "pqrst", "uvwxy", "zabcd", "efghi"
];

const array2 = [
  "defg", "abc", "hijkl", "mn", "opqrs",
  "tuv", "wxy", "zab", "cde", "fghij",
  "klmno", "pqrst", "uvwxy", "zabcd", "efghi",
  "jklmn", "opqrs", "tuvwx", "yzabc", "defgh"
];

Tests:

Lodash uniq
return _.uniq(...array1, ...array2);
ES6 set and sort
return [...new Set(array1), ...new Set(array2)].sort();

Run results for: Lodash uniq vs ES6 Set and sort with 2 arrays

Benchmarking the action to join 2 string arrays, remove the duplicates values (we have 4 in this test) and then sorting them.

Lodash uniq

ES6 set and sort