Run results for: split map reverse vs for unshift

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 Edg/120.0.0.0

Browser: Chrome 120

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

split map reverse

115K/s

for unshift

114K/s

View exact numbers

Test name	Executions per second
✓ split map reverse	114,973 Ops/sec
for unshift	113,610 Ops/sec

Tests:

split map reverse
function convert(num) { return num.toString().split("").map((num) => +num).reverse(); } console.log(convert(564987654));
for unshift
function convert(num) { const numTxt = num.toString(), result = []; for (let i of numTxt) { result.unshift(+i); } return result; } console.log(convert(564987654));