jQuery ajax add delete/put function

gistfile1.js

jQuery.each(['put', 'delete'], function(i, method) {
  jQuery[method] = function(url, data, callback, type) {
    if (jQuery.isFunction(data)) {
      type = type || callback;
      callback = data;
      data = void 0;
    }
    return jQuery.ajax({
      url: url,
      type: method,
      dataType: type,
      data: data,
      success: callback
    });
  };
});