Run results for: arrays comparison indexOf vs includes vs some

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/119.0

Browser: Firefox 119

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
IndexOf	2283618.0 Ops/sec
Includes	1973294.6 Ops/sec
some	2084791.8 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:

var array1 = [
  "Toyota", "Honda", "Ford", "Chevrolet", "Nissan",
  "Volkswagen", "BMW", "Mercedes-Benz", "Audi", "Hyundai",
  "Jeep", "Kia", "Subaru", "Mazda", "Lexus", "Volvo",
  "Tesla", "Cadillac", "Acura", "Porsche", "Infiniti",
  "Buick", "GMC", "Jaguar", "Chrysler"
];

var array2 = ["Audi", "Volvo", "Porsche", "Tesla", "Hyundai", "Mazda", "Honda", "Nissan", "Jeep", "Toyota"];

Tests:

IndexOf
array1.filter((n) => array2.indexOf(n) !== -1);
Includes
array1.filter((n) => array2.includes(n));
some
array1.filter((n) => array2.some(el => el === n));

Run results for: arrays comparison indexOf vs includes vs some

performance comparison of ways to find if an array contains a value

IndexOf

Includes

some