Run results for: Symbol vs String property square bracket

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 18_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.0 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 18

Operating system: iOS 18.0

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
Symbol	479670240.0 Ops/sec
String	482247456.0 Ops/sec

Script Preparation code:

var foo = {};
var sym = Symbol("key");
var str = "key";

Tests: