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Run results for:
Object.freeze vs Object.seal - Access only
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Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64; rv:133.0) Gecko/20100101 Firefox/133.0
Browser:
Firefox 133
Operating system:
Linux
Device Platform:
Desktop
Date tested:
one year ago
normal
1672.2M/s
seal
1672.1M/s
freeze
1669.2M/s
View exact numbers
Test name
Executions per second
✓
normal
1,672,168,448 Ops/sec
seal
1,672,064,128 Ops/sec
freeze
1,669,197,696 Ops/sec
Script Preparation code:
var normal = { x: 0, y: 0 }; var freeze = Object.freeze({ x: 0, y: 0 }); var seal = Object.seal({ x: 0, y: 0 });
Tests:
normal
normal.x; normal.y;
freeze
freeze.x; freeze.y;
seal
seal.x; seal.y;