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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=627923" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:149.0) Gecko/20100101 Firefox/149.0
Browser:
Firefox 149
Operating system:
Mac OS X 10.15
Device Platform:
Desktop
Date tested:
15 days ago
Test name
Executions per second
normal
1570829184.0 Ops/sec
freeze
16191517.0 Ops/sec
seal
14877647.0 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 });