Run results for: Array vs Set 2384

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36 Edg/119.0.0.0

Browser: Chrome 119

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Set	1157.0 Ops/sec
Array	1357.5 Ops/sec

Script Preparation code:

var myArray = [];
var mySet = new Set();

Tests:

Set
// Add for (let i = 0; i < 5000; i++) { mySet.add(i); } // Has for (let i = 0; i < 5000; i++) { mySet.has(i); } // Delete for (let i = 0; i < 5000; i++) { mySet.delete(i); }
Array
// Push for (let i = 0; i < 5000; i++) { myArray.push(i); } // Includes for (let i = 0; i < 5000; i++) { myArray.includes(i); } // Remove for (let i = 0; i < 5000; i++) { delete myArray[i]; }