Run results for: Array.includes vs String.includes vs Object Hashmap vs Set vs Array.indexOf Large

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Mobile Safari/537.36

Browser: Chrome Mobile 126

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

ES6 Set

562K/s

String.includes

520K/s

Object Hash-map

486K/s

Array.indexOf

410K/s

Array.includes

377K/s

View exact numbers

Test name	Executions per second
✓ ES6 Set	562,115 Ops/sec
String.includes	520,349 Ops/sec
Object Hash-map	485,710 Ops/sec
Array.indexOf	410,145 Ops/sec
Array.includes	377,435 Ops/sec

Script Preparation code:

var testArray = ['foo', 'a','b', 'c','d','e','f','g','h','i','j', 'k', 'l','m','n' ,'bar','o', 'p', 'q', 'r', 's','t','u', 'v','w','x','y', 'z'];
var testString = testArray.join(',');
var objectHash = testArray.reduce((acc, key) => {acc[key] = true; return acc;},{});
var testSet = new Set(testArray);

Tests: