Run results for: Member 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

22.0M/s

Includes Performance

3.1M/s

View exact numbers

Test name	Executions per second
✓ Has Performance	22,002,604 Ops/sec
Includes Performance	3,097,987 Ops/sec

Script Preparation code:

var i = 0;
var a = [...Array(1000).keys()];
var b = new Set(a);

Tests:

Includes Performance
i = Math.floor(Math.random() * 1000) + 1; return a.includes(i);
Has Performance
i = Math.floor(Math.random() * 1000) + 1; return b.has(i);