Super Mario Brothers 3 Game Hack (http://callmehiphop.github.io/mario-cards/index.html).

super3card.js

var cards = document.querySelectorAll("section.game div.bottom"),
    matches = {};

for(var i=0;i<cards.length;i++) {
    var item = cards[i].className.split(" ")[1];

    if(matches[item]) {
        matches[item].click();
        cards[i].click();
        
        delete matches[item];
    } else {
        matches[item] = cards[i];
    }
}