Run results for: Set.has vs Array.includes with Small & Large Collections

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:103.0) Gecko/20100101 Firefox/103.0

Browser: Firefox 103

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Tests:

Set.has (10 items)
const mySet = new Set([0, 1, 2, 3, 4, 5, 6, 7, 8, 9]); const contains = mySet.has(9);
Array.includes
const myArray = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]; const contains = myArray.includes(9) ? true : false;
Set.has (1,000 items)
const myArray = []; for (let i = 0; i < 1000; i++) { myArray.push(i); } const mySet = new Set(myArray); const contains = mySet.has(999);
Array.includes (1,000 items)
const myArray = []; for (let i = 0; i < 1000; i++) { myArray.push(i); } const mySet = new Set(myArray); const contains = myArray.includes(i) ? true : false;