Three types of codes for automatic refresh of web pages

In fact, it is very simple to achieve this effect, and this effect cannot even be called a special effect. You just need to add the following code to your web page.

1. Automatically refresh the page: Add the following code to the

area

, where 20 means refreshing the page every 20 seconds.

2. The page automatically jumps: add the following code to the area

, Among them, 20 fingers will jump to the http://www.php.cn page after 20 seconds

3. The page automatically refreshes the js version

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