locutus/esm/php/array/array_product.js

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

export function array_product(input) {
    //      discuss at: https://locutus.io/php/array_product/
    // parity verified: PHP 8.3
    //     original by: Waldo Malqui Silva (https://waldo.malqui.info)
    //       example 1: array_product([ 2, 4, 6, 8 ])
    //       returns 1: 384
    let idx = 0;
    let product = 1;
    let il = 0;
    if (!Array.isArray(input)) {
        return null;
    }
    il = input.length;
    while (idx < il) {
        const numeric = Number(input[idx]);
        product *= Number.isNaN(numeric) ? 0 : numeric;
        idx++;
    }
    return product;
}