Run results for: Push with if vs Map with filter

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36

Browser: Chrome 122

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

Push with if

2K/s

map with filter

701/s

View exact numbers

Test name	Executions per second
✓ Push with if	1,568 Ops/sec
map with filter	701 Ops/sec

Script Preparation code:

var strs = Array.from(new Array(10000)).map(() => 'String concat. ')
var result = []

Tests:

Push with if
for (let i = 0; i < strs.length; i++) { if (i % 2 === 0){ result.push(strs[i]) } }
map with filter
result = strs.map((a) => a).filter((a) => a % 2 === 0)