call to a member of object onclick

HTML

<a href="http://stafox.ru" target="_blank" onclick="e.Link.show(event);">link not clicked</a>

CSS

a {
    display: block;
    margin: 20px;
    color: #7bb900;
}
a.visited {
    color: #53cddb;
}

JavaScript

var Events = function() {
    // construct
};
Events.prototype.showPopup = function(e, o) {
    e.preventDefault();
    alert("Clicked!");
    $(o).addClass('visited').text('link was clicked');
}

Events.prototype = {
    Link: {     
        show: function(e) {
            e.preventDefault();
               alert('Sucсess');
            $(e.target).addClass('visited').text('link was clicked');
        }
    }
    
}
var e = new Events();