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Run results for:
normal vs Object.freeze vs Object.seal performance
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Run details:
User agent:
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:147.0) Gecko/20100101 Firefox/147.0
Browser:
Firefox 147
Operating system:
Ubuntu
Device Platform:
Desktop
Date tested:
5 months ago
normal
470.3M/s
seal
4.8M/s
freeze
4.4M/s
View exact numbers
Test name
Executions per second
✓
normal
470,265,664 Ops/sec
seal
4,759,047 Ops/sec
freeze
4,385,008 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 });