dropzone upload only one file

Question

I am using dropzone.js for my drag-drop file upload solution. I want to upload only one file,if i upload second file the first one should be remove and second one should be uplo

Answer 1

 Dropzone.prototype.defaultOptions.init = function () {

                 this.hiddenFileInput.removeAttribute('multiple');
                 this.on("maxfilesexceeded", function (file) {
                     this.removeAllFiles();
                     this.addFile(file);
                 });
             };

this is wokrk for me.