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Run results for:
Set vs Object delete
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Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:138.0) Gecko/20100101 Firefox/138.0
Browser:
Firefox 138
Operating system:
Mac OS X 10.15
Device Platform:
Desktop
Date tested:
9 months ago
Test name
Executions per second
Object
61550204.0 Ops/sec
Set
74699368.0 Ops/sec
Script Preparation code:
var set = new Set(); var object = {}; var array = new Array(5000).fill().map((_, i) => i); for (let i = 0; i < array.length; i++) { object[i] = true; } for (let i = 0; i < array.length; i++) { set.add(i); }
Tests:
Object
delete object[40]
Set
set.delete(40)