var canvas = document.createElement("canvas");
    var ctx = canvas.getContext("2d");

    var img = document.createElement('img');

    ctx.drawImage(img, 0, 0, canvas.width, canvas.height);
    var url = canvas.toDataURL();

    img.src = document.getElementById('image').src;

    var dataURL = canvas.toDataURL('image/png');
    var image = dataURL;

    console.log(dataURL);

    var ajax = new XMLHttpRequest();
    ajax.open("POST",url, false);
    ajax.setRequestHeader('Content-Type', 'application/upload');
    ajax.onreadystatechange = function () {
        if (ajax.readyState == 4 && ajax.status == 200) {
            if(ajax.responseText != '' && ajax.responseText != null){
                console.log(ajax.responseText);
            }
        }
    }
    ajax.send(image);
}