comment ajouter removefile option dans dropzone plugin?

J'ai utilisé dropzone.js (http://www.dropzonejs.com/). Je suis en train d'ajouter le bouton supprimer pour supprimer l'image. mais je suis arriver javascript non défini erreur

 <script>
  Dropzone.options.myDropzone = {
init: function() {
 addRemoveLinks: true,  
thisDropzone = this;
 $.get('photo-add.php', function(data) {
 $.each(data, function(key,value){
var mockFile = { name: value.name, size: value.size };
  thisDropzone.options.addedfile.call(thisDropzone, mockFile);
 thisDropzone.options.thumbnail.call(thisDropzone, mockFile,      "upload/"+value.name);

});
 });

 this.on("removedfile", function(file) {
alert(file.name);
console.log(file);
     //Create the remove button
  var removeButton = Dropzone.createElement("<button>Remove file</button>");

 /    / Capture the Dropzone instance as closure.
  var _this = this;

 //Listen to the click event
 removeButton.addEventListener();

   //Add the button to the file preview element.
  file.previewElement.appendChild(removeButton);
    });
  }
  };
     </script>

OriginalL'auteur markatte team | 2015-11-16