// Knappen
var btn = document.getElementById("submitBtn");
btn.addEventListener("click", updatePost, false);

function updatePost() {
    fetch('http://localhost:4000/admin/edit', {
        method: 'post',
        title: document.getElementById('title').value,
        content: document.getElementById('content').value,
        id: document.getElementById('id').value
    });
}

// routen

var updatePost = function (req, res){
    var title   = req.param('title'),
        content   = req.param('content'),
        id        = req.param('id');

    blogPost.update({
        title:title,
        content: content
    },{
        where: { id : id }
    }).then(function() {
        res.redirect('/admin');
    });
};

app.post('/edit', updatePost)