code: function ($placeholder, file, that) {
  				$.ajax({
  					type: "post",
  					url: that.options.imagesUploadScript,
  					xhr: function () {
  						var xhr = new XMLHttpRequest();
  						xhr.upload.onprogress = that.updateProgressBar;
  						return xhr;
  					},
  					cache: false,
  					contentType: false,
  					complete: function (jqxhr) {
  						that.uploadCompleted(jqxhr, $placeholder);
  					},
  					processData: false,
  					data: that.options.formatData(file)
  				});
  			}
docs: Upload single file
  
  @param {element} $placeholder Placeholder to add image to
  @param {File} file File to upload
  @param {object} that Context
  @param {void}