Mute All Notes on multiplayer.com

window.addEventListener('load', () => {
    var btn = document.createElement('div');
    btn.classList.add('ugly-button');
    btn.innerHTML = "Mute All";
    btn.id = "muteAll";
    btn.onclick = function() {
        var i = 0;
        var success= false;
        for(i; i < document.getElementById("names").children.length; i++) {
            if(!document.getElementById("names").children[i].classList.contains("me")) {
                var event = document.createEvent("MouseEvents");
                event.initMouseEvent("mousedown", true, true, window);
                document.getElementById("names").children[i].dispatchEvent(event);
                if(document.getElementsByClassName("participant-menu")[0].children[1].dispatchEvent(event)) {
                    success = true;
                }
            }

        }
        if(success) {
            if(btn.innerHTML === "Mute All") btn.innerHTML = "Unmute All";
            else  btn.innerHTML = "Mute All";
        }
    }
    document.getElementsByClassName("relative")[0].appendChild(btn);
});