jquery tree editable node implementation code (jquery one sentence node menu)_jquery

Code below. You can study it, it is very beneficial for learning jquery.
A sentence of code in sharp jquery, the implemented menu

needs to be refreshed after running (because it is calling foreign jquery)

<meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <title>1-5-1</title> <style type="text/css"> #menu { width:300px; } .has_children{ background : #555; color :#fff; cursor:pointer; } .highlight{ color : #fff; background : green; } div{ padding:0; } div a{ background : #888; display : none; float:left; width:300px; } </style>