JS to achieve the horizontal stretch of the mobile telescopic menu effect Code _javascript Skills

The example of this article is about JS to achieve the horizontal stretch of the dynamic menu effect code. Share to everyone for your reference. Specifically as follows:

This is a JS to achieve the longitudinal stretching transverse stretching, dynamic telescopic menu, tight-aligned CSS menu, can be used in the blog and other important parts of the menu, learning JavaScript front-end design can also be used as a reference example.

The screenshot of the running effect is as follows:

The online demo address is as follows:

http://demo.jb51.net/js/2015/js-row-show-menu-style-codes/

The specific code is as follows:

<! DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 transitional//en" "Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">  

The

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