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set.has vs. array.includes vs plain object
(version: 1)
Comparing performance of:
Array.includes vs Set.has vs Object access
Created:
one year ago
by:
Guest
Jump to the latest result
Script Preparation code:
var a = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]; var b = new Set(a); var c = Object.fromEntries(a.map(e => [e, true]));
Tests:
Array.includes
return a.includes(3)
Set.has
return b.has(3)
Object access
return c[3]
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (3)
Previous results
Fork
Test case name
Result
Array.includes
Set.has
Object access
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
6 months ago
)
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/140.0.0.0 Safari/537.36 Edg/140.0.0.0
Browser/OS:
Chrome 140 on Windows
View result in a separate tab
Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=619928" width="100%" height="500px"></iframe>
Test name
Executions per second
Array.includes
83639584.0 Ops/sec
Set.has
155271424.0 Ops/sec
Object access
152054064.0 Ops/sec
Related benchmarks:
set.has vs. array.includes 2
set vs array
Array.includes vs. Object key lookup vs. Set.has
array.includes vs set.has vs object property
Small n set vs array
set.has vs object key lookup vs array includes
set.has vs. array.includes for 1000 elements
array includes vs object key lookup vs Set.has
set.has vs. array.includes vs plain object (100 000)
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