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Set has vs object key - small object
(version: 1)
performance comparison of looking up a value from a set
Comparing performance of:
Includes vs Object[key] vs Set.has
Created:
one year ago
by:
Registered User
Go to the latest result
Script Preparation code:
var obj = { '.': true, ' ': true, ',': true, ';': true, }; var array = Object.keys(obj); var set = new Set(array);
Tests:
Includes
array.includes(',') && array.includes('/')
Object[key]
obj[','] && obj['/']
Set.has
set.has(',') && set.has('/')
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (3)
Previous results
Fork
Test case name
Result
Includes
Object[key]
Set.has
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
one year ago
)
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36
Browser/OS:
Chrome 134 on Mac OS X 10.15.7
View result in a separate tab
Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=595980" width="100%" height="500px"></iframe>
Set.has
107.6M/s
Object[key]
97.6M/s
Includes
29.2M/s
View exact numbers
Test name
Executions per second
✓
Set.has
107,596,240 Ops/sec
Object[key]
97,597,504 Ops/sec
Includes
29,191,880 Ops/sec
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Array.includes vs. Object key lookup vs. Set.has
Set has vs object keyx
Set has vs object key reversed
Set has vs prop in object
set.has vs. array.includes vs plain object (100 000)
Set has vs object key - small object, no caching
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