Run results for: Symbol vs String property square bracket

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Browser: Chrome 131

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

String

112.3M/s

Symbol

88.9M/s

View exact numbers

Test name	Executions per second
✓ String	112,340,152 Ops/sec
Symbol	88,916,008 Ops/sec

Script Preparation code:

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

Tests: