Menu folding effect implemented by jQuery using concatenation

This article mainly introduces the menu folding effect implemented by jQuery using the concatenation method. It is very simple and practical to achieve the Display Effect of menu folding by using the concatenation method (also called the chain operation) of jQuery, for more information, see the examples in this article. Share it with you for your reference. The details are as follows:

This is a menu folding effect implemented by jQuery using the concatenation method. The author is a good expert. He wrote it by himself using the concatenation method of jQuery. It is almost an accordion menu and its function is implemented, however, I am a little worried about efficiency. The author hopes to communicate with high people for progress.

The running effect is as follows:

The Online Demo address is as follows:

Http://demo.jb51.net/js/2015/jquery-lz-fade-in-menu-style-codes/

The Code is as follows:

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