Benchmark: set includes vs array includes size=2 - MeasureThat.net

Tests:

array (first case)
[1, 2].includes(1);
array (second case)
[1, 2].includes(2);
Set (first case)
new Set([1, 2]).has(1);
Set (second case)
new Set([1, 2]).has(2);
Set (no case)
new Set([1, 2]).has(3);
array (no case)
[1, 2].includes(3);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
array (first case)
array (second case)
Set (first case)
Set (second case)
Set (no case)
array (no case)

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: 4 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.142 Safari/537.36

Browser/OS: Chrome 75 on Windows

View result in a separate tab

Test name	Executions per second
array (first case)	116879200.0 Ops/sec
array (second case)	122528700.0 Ops/sec
Set (first case)	4782749.0 Ops/sec
Set (second case)	4875404.0 Ops/sec
Set (no case)	4713878.0 Ops/sec
array (no case)	87990450.0 Ops/sec