Benchmark: Array.includes vs Set.has vas Map.has

Script Preparation code:

var a = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
var b = new Set([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]);
var c = new Map([[1, 1], [2, 2], [3, 3], [4, 4], [5, 5], [6, 6], [7, 7], [8, 8], [9, 9], [10, 10]]);

Tests:

Array includes
return a.includes(9);
Set has
return b.has(9);
Map has
return c.has(9);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Array includes
Set has
Map has

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: yesterday)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36

Browser/OS: Chrome 124 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
Array includes	27438160.0 Ops/sec
Set has	27261020.0 Ops/sec
Map has	25485320.0 Ops/sec

Array.includes vs Set.has vas Map.has (version: 0)

Comparing performance of: Array includes vs Set has vs Map has

Created: 2 years ago by: Guest

Jump to the latest result

Array includes

Set has

Map has

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A