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Run results for:
Set has vs prop in object
performance comparison of ways to find if an array contains a value
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<iframe src="https://measurethat.net/Embed?id=506505" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36 OPR/107.0.0.0
Browser:
Opera 107
Operating system:
Windows
Device Platform:
Desktop
Date tested:
2 years ago
Includes
18.6M/s
Set.has
18.5M/s
Object[key]
16.1M/s
Object.hasOwnProperty
13.2M/s
View exact numbers
Test name
Executions per second
✓
Includes
18,593,832 Ops/sec
Set.has
18,496,590 Ops/sec
Object[key]
16,118,299 Ops/sec
Object.hasOwnProperty
13,202,899 Ops/sec
Script Preparation code:
var obj = (new Array(1000)).fill(null).reduce((prev, newVal) => {prev[Math.random() + ''] = Math.random() + ''; return prev; }, { sausage: 'tst' }); var array = Object.keys(obj); var set = new Set(array);
Tests:
Includes
array.includes('sausage')
Object[key]
'sausage' in obj
Set.has
set.has('saudage')
Object.hasOwnProperty
obj.hasOwnProperty('sausage')