code: function(content, options) {
          options = $.extend({}, this.options, options || {});
  
          var self = this,
              toast = this.render(options.template)
                  .addClass(options.animation)
                  .attr('role', 'note')
                  .html(content)
                  .conceal()
                  .prependTo(this.wrapper);
  
          this.fireEvent('create', [toast]);
  
          // Set a timeout to trigger show transition
          setTimeout(function() {
              self.show(toast);
          }, 15); // IE needs a minimum of 15
  
          // Set a timeout to remove the toast
          if (options.duration) {
              setTimeout(function() {
                  self.hide(toast);
              }, options.duration + 15);
          }
      }
docs: Create a toast element, insert content into it, and append it to the container.
  
  @param {*} content
  @param {Object} [options]