Benchmark: lodash camelCase vs javascript camelCase long (+regex)

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/lodash/4.16.0/lodash.min.js"></script>

Script Preparation code:

var str = 'live_dlick_product_caunt_blias'

Tests:

lodash
_.camelCase(str)
javascript
str.toLowerCase().split("-").map((word, idx) => idx ? `${word[0].toUpperCase()}${word.substring(1)}` : word).join("");
javascript with regex
str.toLowerCase().replace(/_([a-z])/g, (_, letter) => letter.toUpperCase());;

Rendered benchmark preparation results:

Previous results

Latest run results:

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

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36

Browser/OS: Chrome 133 on Linux

javascript

12.7M/s

javascript with regex

2.0M/s

lodash

1.5M/s

View exact numbers

lodash camelCase vs javascript camelCase long (+regex) (version: 3)