Run results for: Symbol vs String property square bracket

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

String

137.4M/s

Symbol

133.6M/s

View exact numbers

Test name	Executions per second
✓ String	137,350,192 Ops/sec
Symbol	133,638,864 Ops/sec

Script Preparation code:

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

Tests: