locutus/esm/golang/strings/Repeat.js

Locutus other languages' standard libraries to JavaScript for fun and educational purposes

export function Repeat(s, count) {
    //      discuss at: https://locutus.io/golang/strings/Repeat
    // parity verified: Go 1.23
    //     original by: Kevin van Zonneveld (https://kvz.io)
    //          note 1: Returns a new string consisting of count copies of s
    //       example 1: Repeat('na', 2)
    //       returns 1: 'nana'
    //       example 2: Repeat('ba', 3)
    //       returns 2: 'bababa'
    s = s + '';
    count = Number.parseInt(String(count), 10);
    if (count < 0 || !isFinite(count)) {
        throw new Error('strings: negative Repeat count');
    }
    return s.repeat(count);
}