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Run results for:
Object.freeze vs Object.seal with array
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=615290" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64; rv:142.0) Gecko/20100101 Firefox/142.0
Browser:
Firefox 142
Operating system:
Linux
Device Platform:
Desktop
Date tested:
one year ago
normal
384.6M/s
seal
383.6M/s
freeze
13.6M/s
View exact numbers
Test name
Executions per second
✓
normal
384,607,904 Ops/sec
seal
383,551,520 Ops/sec
freeze
13,601,963 Ops/sec
Script Preparation code:
var normal = [ 0, 0 ]; var freeze = Object.freeze([0, 0]); var seal = Object.seal([0, 0]);
Tests:
normal
var t = normal[0]; normal[0] = normal[1]; normal[1] = t;
freeze
var t = freeze[0]; freeze[0] = freeze[1]; freeze[1] = t;
seal
var t = seal[0]; seal[0] = seal[1]; seal[1] = t;