Run results for: lodash camelCase vs javascript regex with predefined regex

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36

Browser: Chrome 125

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

javascript

1.6M/s

lodash

1.3M/s

View exact numbers

Test name	Executions per second
✓ javascript	1,636,703 Ops/sec
lodash	1,258,240 Ops/sec

HTML Preparation code:

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

Script Preparation code:

var toCamelCaseMatcher = /[^a-zA-Z0-9]+(.)/g

var str = 'live_dlick_product_caunt_blias'

Tests:

lodash
_.camelCase(str)
javascript
str.toLowerCase().replace(toCamelCaseMatcher, (_, chr) => chr.toUpperCase())