Rozdílné zobrazení obsahu dle kliknutí na odkaz

Javascript

var _msgokConfig = {
    "recipient":"mujucet",
    "payload":"%7B%22runId%22%3A%22abc%3Amujscenar%22%7D",
    "src":"templates/mujucet",
    "type":"popup",
    "classes": ["msgokWidget--fix-to-right", "msgokWidget--size-text"],
    "title": "Online pomoc"
};

var e = document.createElement("script");
e.src = "https://cdn.msgok.net/client/v10.js";
e.async = true;
e.defer = true;
e.addEventListener("load",function(){

    const w = window.msgokWidget.create("#msgokpreview", _msgokConfig);
    w.show();
    
    const linksWithPayload = document.querySelectorAll('a[data-msgokpayload]');

    if (linksWithPayload.length > 0) {
        linksWithPayload.forEach(link => {
            link.addEventListener('click', function(event) {
                event.preventDefault();
                const payload = link.getAttribute('data-msgokpayload');
                w.modifyPayload(payload);
            });
        });
    }
});
document.getElementsByTagName("head")[0].appendChild(e);