$('#tree').tree({ checkbox: true });
$('#tree').tree({ checkbox: false});
(function($){ $(function(){ var css = $('#extend_tree_css'); if (!css.length){ $('<style id="extend_tree_css">.tree-checkbox-hidden .tree-checkbox{display:none}</style>').appendTo('head'); } }); $.extend($.fn.tree.methods, { showCheckbox: function(jq){ return jq.each(function(){ $(this).removeClass('tree-checkbox-hidden'); }) }, hideCheckbox: function(jq){ return jq.each(function(){ $(this).addClass('tree-checkbox-hidden'); }) } })})(jQuery);