Run results for: filters vs for loop

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36

Browser: Chrome 120

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

Test name	Executions per second
✓ for loop	261,420 Ops/sec
filters	230,364 Ops/sec

Tests:

filters
let array = ["ab", "ac", "ba", "cd", "bd", "ce", "ae", "bb", "bm", "cm", "dd", "af", "ag", "cf", "dm"] array = [...array, ...array, ...array, ...array, ...array, ...array] array = [...array, ...array, ...array, ...array, ...array, ...array] const a = array.filter((i) => i.startsWith("a")) const b = array.filter((i) => i.startsWith("b"))
for loop
let array = ["ab", "ac", "ba", "cd", "bd", "ce", "ae", "bb", "bm", "cm", "dd", "af", "ag", "cf", "dm"] array = [...array, ...array, ...array, ...array, ...array, ...array] array = [...array, ...array, ...array, ...array, ...array, ...array] const a = [] const b = [] for (let i of array) { if (i.startsWith("a")) { a.push(i) } else if (i.startsWith("b")) { b.push(i) } }