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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=596195" 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/134.0.0.0 Safari/537.36 Edg/134.0.0.0
Browser:
Chrome 134
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Set.has
181.4M/s
Includes
120.4M/s
Object[key]
92.2M/s
Object.hasOwnProperty
71.2M/s
View exact numbers
Test name
Executions per second
✓
Set.has
181,424,480 Ops/sec
Includes
120,379,384 Ops/sec
Object[key]
92,248,600 Ops/sec
Object.hasOwnProperty
71,172,752 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')