Js implementation click to expand down the drop-down menu effect code, js drop-down menu

Js implementation click to expand down the drop-down menu effect code, js drop-down menu

The example in this article describes the code for implementing the pull-down menu of js. Share it with you for your reference. The details are as follows:

Here we will introduce the special effect code of js implementation click-down menu, without calling jQuery. The real JS drop-down menu is not tested in terms of compatibility. I think it is useful to test and correct it myself, this article only provides the basic code for your reference.

The running effect is as follows:

The Online Demo address is as follows:

Http://demo.jb51.net/js/2015/js-click-show-down-menu-style-codes/

The Code is as follows:

<! DOCTYPE html PUBLIC "-// W3C // dtd xhtml 1.0 Transitional // EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 
I hope this article will help you design javascript programs.