Benchmark: Javascript Set vs Filter

Script Preparation code:

var A = Array.from({length: 40000000}, () => Math.floor(Math.random() * 140));
var B = Array.from({length: 40000000}, () => Math.floor(Math.random() * 140));

Tests:

Filter
var C = A.filter((a) => !B.includes(a));
Array Set
var C = [...new Set(A,B)];

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Filter
Array Set

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: 2 months ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.0.0 Safari/537.36

Browser/OS: Chrome 109 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
Filter	0.1 Ops/sec
Array Set	1.3 Ops/sec

Javascript Set vs Filter (version: 0)

Comparing performance of: Filter vs Array Set

Created: 2 months ago by: Guest

Jump to the latest result

Filter

Array Set

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A