Run results for: replace vs slice 2024

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:140.0) Gecko/20100101 Firefox/140.0

Browser: Firefox 140

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

replace

241K/s

slice

240K/s

View exact numbers

Test name	Executions per second
✓ replace	240,698 Ops/sec
slice	240,417 Ops/sec

Tests:

replace
let txt = "hello", newTxt = txt.replace(txt[0], txt[0].toUpperCase()); console.log(newTxt);
slice
let txt = "hello", newTxt = txt[0].toUpperCase() + txt.slice(1); console.log(newTxt);