title: backbone model save not working
body: <p>I tried to use Backbone.js model to sync data with the server. However the save method doesn't work. Any one can help me to find out why?</p>
  
  <p>The following code works (not using Backbone model):</p>
  
  <pre><code>var newComment = {
      user: user,
      createdDate: date,
      content: text
    }
  
    //TODO send ajax post request to record the data
  
    $.ajax({
      url: "comment.php",
      context: document.body,
      data: newComment,
      type: 'POST'
    }).done(function(resp) {
      console.log("resp", resp);
    });
  </code></pre>
  
  <p>The code not working:</p>
  
  <pre><code>var Comment = Backbone.Model.extend({
       urlRoot: 'comment.php'
    });
  
  var comment = new Comment();
  comment.save({content: text, dsm_line_item_id: "49934380"}, {
      succcess: function(model, resp, opt) {
            console.log("successfully saved" + resp);
          },
      error: function(model, resp, opt) {
            console.log("error", resp);
          }
      })
  </code></pre>