Run results for: frozen VS unfrozen object iteration times

Run details:

User agent: Mozilla/5.0 (X11; CrOS x86_64 14541.0.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/132.0.0.0 Safari/537.36

Browser: Chrome 132

Operating system: Chrome OS 14541.0.0

Device Platform: Desktop

Date tested: one year ago

frozen iteration

37.8M/s

unfrozen iteration

36.9M/s

View exact numbers

Test name	Executions per second
✓ frozen iteration	37,832,312 Ops/sec
unfrozen iteration	36,860,232 Ops/sec

Script Preparation code:

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

Tests: