Use JS and html/css to implement the drop-down menu effect respectively.

Source: Internet
Author: User

in the production process of the site, we often encounter the navigation bar will appear a level menu, level Two menu such phenomenon, in the end how to achieve it? Next we use two methods to achieve:

1. Use JS to achieve this effect:

This method mainly uses: The mouse passes the event onmouseover the mouse leaves the event onmouseout when the function is called.

2. Implement the drop-down menu with HTML/CSS

The main use of this method: Set the mouse pointer to the form of the link (display:block/none)

Use JS and html/css to implement the drop-down menu effect respectively.

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