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Run results for:
Map vs object for deletions
Checks the performance of deletions and additions to Maps vs objects
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<iframe src="https://measurethat.net/Embed?id=599252" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:138.0) Gecko/20100101 Firefox/138.0
Browser:
Firefox 138
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Add to object
558.1M/s
Delete from Map
33.4M/s
Delete from object
32.1M/s
Add to Map
19.1M/s
View exact numbers
Test name
Executions per second
✓
Add to object
558,145,536 Ops/sec
Delete from Map
33,403,818 Ops/sec
Delete from object
32,062,274 Ops/sec
Add to Map
19,066,796 Ops/sec
Script Preparation code:
var testMap = new Map(); var testObj = {};
Tests:
Add to Map
testMap.set('testKey', 1);
Add to object
testObj.testKey = 1;
Delete from Map
testMap.delete('testKey');
Delete from object
delete testObj.testKey;