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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
Go 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:
9 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>
Set.has
155.3M/s
Object access
152.1M/s
Array.includes
83.6M/s
View exact numbers
Test name
Executions per second
✓
Set.has
155,271,424 Ops/sec
Object access
152,054,064 Ops/sec
Array.includes
83,639,584 Ops/sec
Related benchmarks
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. array.includes for 1000 elements
set.has vs. array.includes vs plain object (100 000)
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