code: function ($placeholder) {
  			$.fn.mediumInsert.insert.deselect();
  
  			var formHtml = '<div class="medium-editor-toolbar-form-anchor mediumInsert-tableDemoBox"><table><tr><td></td><td><label>cols:<input type="text" value="' + this.options.defaultCols + '" class="mediumInsert-tableCols" /></label></td></tr><tr><td><label>rows:<input type="text" value="' + this.options.defaultRows + '" class="mediumInsert-tableRows" /></label></td><td><table class="mediumInsert-demoTable"></table></td></tr><tr><td></td><td><label><button class="mediumInsert-tableReadyButton">insert</button></label></td></tr></table></</div>';
  			$(formHtml).appendTo($placeholder.prev());
  			this.updateDemoTable();
  
  			setTimeout(function () {
  				$placeholder.prev().find('input').focus();
  			}, 50);
  
  			$.fn.mediumInsert.insert.deselect();
  			this.currentPlaceholder = $placeholder;
  		}
docs: Add table to $placeholder
  @param {element} $placeholder $placeholder to add embed to
  @return {void}