Bot to play 2048 (http://gabrielecirulli.github.io/2048/)

gistfile1.txt

//Only tested in Firefox with firebug
// -> Install the firebug addon
// -> Open firebug console / press F12
// -> Copy and paste this code
// -> Click run



//To change strategy, uncomment one and comment out the other:

//setInterval(moveRandom, 100);
setInterval(moveOneRound, 250);


var keydownEvent = document.createEvent("KeyboardEvent");
var keyupEvent = document.createEvent("KeyboardEvent");
var keyleftEvent = document.createEvent("KeyboardEvent");
var keyrightEvent = document.createEvent("KeyboardEvent");
var initMethod = typeof keydownEvent.initKeyboardEvent !== 'undefined' ? "initKeyboardEvent" : "initKeyEvent";



keydownEvent[initMethod](
                   "keydown", // event type : keydown, keyup, keypress
                    true, // bubbles
                    true, // cancelable
                    window, // viewArg: should be window
                    false, // ctrlKeyArg
                    false, // altKeyArg
                    false, // shiftKeyArg
                    false, // metaKeyArg
                    40, // keyCodeArg : unsigned long the virtual key code, else 0
                    0 // charCodeArgs : unsigned long the Unicode character associated with the depressed key, else 0
);
keyupEvent[initMethod](
                   "keydown", // event type : keydown, keyup, keypress
                    true, // bubbles
                    true, // cancelable
                    window, // viewArg: should be window
                    false, // ctrlKeyArg
                    false, // altKeyArg
                    false, // shiftKeyArg
                    false, // metaKeyArg
                    38, // keyCodeArg : unsigned long the virtual key code, else 0
                    0 // charCodeArgs : unsigned long the Unicode character associated with the depressed key, else 0
);
keyleftEvent[initMethod](
                   "keydown", // event type : keydown, keyup, keypress
                    true, // bubbles
                    true, // cancelable
                    window, // viewArg: should be window
                    false, // ctrlKeyArg
                    false, // altKeyArg
                    false, // shiftKeyArg
                    false, // metaKeyArg
                    37, // keyCodeArg : unsigned long the virtual key code, else 0
                    0 // charCodeArgs : unsigned long the Unicode character associated with the depressed key, else 0
);
keyrightEvent[initMethod](
                   "keydown", // event type : keydown, keyup, keypress
                    true, // bubbles
                    true, // cancelable
                    window, // viewArg: should be window
                    false, // ctrlKeyArg
                    false, // altKeyArg
                    false, // shiftKeyArg
                    false, // metaKeyArg
                    39, // keyCodeArg : unsigned long the virtual key code, else 0
                    0 // charCodeArgs : unsigned long the Unicode character associated with the depressed key, else 0
);

function sleep(millis, callback) {
    setTimeout(function()
            { callback(); }
    , millis);
}

function moveOneRound(){
    if(document.getElementsByClassName('game-over').length==0){
        document.dispatchEvent(keyupEvent);
        document.dispatchEvent(keyrightEvent);
        document.dispatchEvent(keydownEvent);
        document.dispatchEvent(keyleftEvent);
    }
}

function moveRandom(){
    var move = Math.floor((Math.random()*4)+1);
    if(move==1)
        document.dispatchEvent(keyupEvent);
    else if(move==2)
        document.dispatchEvent(keyrightEvent);
    else if(move==3)
        document.dispatchEvent(keydownEvent);
    else if(move==4)
        document.dispatchEvent(keyleftEvent);
}