Run results for: lodash vs own capitalize function

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36

Browser: Chrome 130

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

lodash capitalize

8.7M/s

my own capalize

8.1M/s

View exact numbers

Test name	Executions per second
✓ lodash capitalize	8,673,916 Ops/sec
my own capalize	8,087,112 Ops/sec

HTML Preparation code:


<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Script Preparation code:

function capitalizeFirstLetter(string) {
  return string.charAt(0).toUpperCase() + string.slice(1).toLowerCase();
}

Tests:

lodash capitalize
const text = "SoMe TeXt To CaPiTaLiZe"; _.capitalize(text)
my own capalize
const text = "SoMe TeXt To CaPiTaLiZe"; capitalizeFirstLetter(text)