Run results for: DefineProperties vs assignment

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Browser: Chrome 131

Operating system: Linux

Device Platform: Desktop

Date tested: 3 months ago

Test name	Executions per second
Define properties	411.0 Ops/sec
assignment	3286.2 Ops/sec

Tests:

Define properties
for (var i=0; i<10000; i++) { const x = Object.defineProperties(Object.create(null), { ns: {value: "ns"}, tags: {value: Object.create(null)}}); }
assignment
for (var i=0; i<10000; i++) { const x = Object.create(null) x.ns = "ns" x.tags = Object.create(null); }