The effect _jquery of multi-level vertical expansion tree-shape menu implemented by Jquery+css

This paper illustrates the effect of the multilevel vertical expanded tree-shape menu implemented by JQUERY+CSS. Share to everyone for your reference. Specifically as follows:

The vertical tree menu is shown here, CSS and jquery techniques are used to implement it, which is more appropriate for the left side of the page, for simplicity, without the use of pictures or other modifications. This effect is compatible with IE, Firefox and other mainstream browsers.

The screenshot of the running effect is as follows:

The online demo address is as follows:

http://demo.jb51.net/js/2015/jquery-css-nlevel-vshow-tree-codes/

The specific code is as follows:

<! DOCTYPE html>  

I hope this article will help you with your jquery programming.