product schema dynamic tag

gistfile1.txt

var product_images = [];

jQuery(function () {
    for (var i = 0; i < 5; i++) {
        if (jQuery('rs-sbg:eq(' + i + ')').length) {
            product_images.push(jQuery('rs-sbg:eq(' + i + ')').attr('data-lazyload'));
        }
    }

    if (product_images.length == 0) {
        product_images.push(jQuery("meta[property='og:image']").attr('content'));
    }

    var product_price = jQuery('.descuento strong').html().replace('€', '');
    var product_currency = 'EUR';

    var product_json = {
        "@context": "https://schema.org/",
        "@type": "Product",
        "name": jQuery('h1 strong').html(),
        "image": product_images,
        "description": jQuery('meta[name=description]').attr('content'),
        "brand": {
            "@type": "Brand",
            "name": jQuery("meta[property='og:site_name']").attr('content')
        },
        "offers": {
            "@type": "Offer",
            "url": jQuery("meta[property='og:url']").attr('content'),
            "priceCurrency": product_currency,
            "price": product_price
        }
    };

    var el = document.createElement('script');
    el.type = 'application/ld+json';
    el.text = JSON.stringify(product_json);

    document.querySelector('head').appendChild(el);
});