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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
Jump 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
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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
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Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=595980" width="100%" height="500px"></iframe>
Test name
Executions per second
Includes
29191880.0 Ops/sec
Object[key]
97597504.0 Ops/sec
Set.has
107596240.0 Ops/sec
Related benchmarks:
setHas vs. objectKeysArrayIncludes
set.has vs. array.includes vs array.indexOf (for 10n, 100n and 10000n)
Array.includes vs. Object key lookup vs. Set.has
set.has vs object key lookup vs array includes
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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