Benchmark: Set.difference vs Filter + includes

Script Preparation code:

const array1 = Array.from({length: 100}, () => Math.floor(Math.random() * 140));
const array2 = Array.from({length: 100}, () => Math.floor(Math.random() * 140));

Tests:

Sets
const set1 = new Set(array1); const set2 = new Set(array2); set1.difference(set2);
Arrays
array1.filter((id) => !array2.includes(id));

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Sets
Arrays

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/132.0.0.0 Safari/537.36

Browser/OS: Chrome 132 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
Sets	344491.9 Ops/sec
Arrays	697001.1 Ops/sec

Related benchmarks:

Set vs Filter for unique
Set vs Filter for unique vs for
Set vs Filter vs includes+push for unique
Diff size Set vs Filter for unique
Set from array vs array Filter unique
Set vs Good Filter for unique
Set vs Filter vs forEach for unique
Set vs Filter vs forEach vs forLoop for unique
Array Diffs

Set.difference vs Filter + includes (version: 1)

Comparing performance of: Sets vs Arrays

Created: one year ago by: Guest

Jump to the latest result

Sets

Arrays

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A