locutus
Version:
Locutus other languages' standard libraries to JavaScript for fun and educational purposes
11 lines (10 loc) • 397 B
JavaScript
export function find(needle, haystack) {
// discuss at: https://locutus.io/rust/find/
// parity verified: Rust 1.85
// original by: Kevin van Zonneveld (https://kvz.io)
// example 1: find('or', 'Hello World')
// returns 1: 7
// example 2: find('x', 'Hello World')
// returns 2: -1
return String(haystack).indexOf(String(needle));
}