Run results for: frozen VS unfrozen object iteration times

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/26.2 Safari/605.1.15

Browser: Safari 26

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 7 months ago

unfrozen iteration

98.6M/s

frozen iteration

9.1M/s

View exact numbers

Test name	Executions per second
✓ unfrozen iteration	98,646,272 Ops/sec
frozen iteration	9,072,917 Ops/sec

Script Preparation code:

var o1 = {a: 1};
var o2 = {a: 1};

Object.freeze(o2);

Tests: