locutus
Version:
Locutus other languages' standard libraries to JavaScript for fun and educational purposes
15 lines (14 loc) • 464 B
JavaScript
export function lcfirst(str) {
// discuss at: https://locutus.io/perl/lcfirst/
// parity verified: Perl 5.40
// original by: Kevin van Zonneveld (https://kvz.io)
// example 1: lcfirst('HELLO')
// returns 1: 'hELLO'
// example 2: lcfirst('Hello')
// returns 2: 'hello'
const value = String(str);
if (!value) {
return '';
}
return value.charAt(0).toLowerCase() + value.slice(1);
}