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Run results for:
normal vs Object.freeze vs Object.seal performance
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<iframe src="https://measurethat.net/Embed?id=606213" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.0.0 Safari/537.36
Browser:
Chrome 136
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
normal
182.8M/s
freeze
40.0M/s
seal
39.9M/s
View exact numbers
Test name
Executions per second
✓
normal
182,815,488 Ops/sec
freeze
40,013,168 Ops/sec
seal
39,875,564 Ops/sec
Tests:
normal
var normal = { x: 0, y: 0 };
freeze
var freeze = Object.freeze({ x: 0, y: 0 });
seal
var seal = Object.seal({ x: 0, y: 0 });