I have the following code:
$(\'.wpFolders.co_files\').bind(\'select_node.jstree\', function (event, data) { getFileById(data.args[0].hash.replace(\'#
jstree includes its own file icon (in addition to the default folder icon), add 'icon': 'jstree-file' property to node to show it
'icon': 'jstree-file'