locutus/esm/golang/strings/Join.js

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

export function Join(elems, sep) {
    //      discuss at: https://locutus.io/golang/strings/Join
    // parity verified: Go 1.23
    //     original by: Kevin van Zonneveld (https://kvz.io)
    //          note 1: Concatenates elements of an array to create a single string
    //       example 1: Join(['foo', 'bar', 'baz'], ', ')
    //       returns 1: 'foo, bar, baz'
    //       example 2: Join(['a', 'b', 'c'], '')
    //       returns 2: 'abc'
    if (!Array.isArray(elems)) {
        return '';
    }
    return elems.join(sep + '');
}