Run results for: 500 Set vs Array Privilege Check

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Browser: Chrome 131

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Has Performance

22.5M/s

Includes Performance

5.5M/s

View exact numbers

Test name	Executions per second
✓ Has Performance	22,484,392 Ops/sec
Includes Performance	5,466,240 Ops/sec

Script Preparation code:

var i = 0;
var a = [...Array(500).keys()];
var b = new Set(a);

Tests:

Includes Performance
i = Math.floor(Math.random() * 500) + 1; return a.includes(i);
Has Performance
i = Math.floor(Math.random() * 500) + 1; return b.has(i);