In fact, it is very simple to achieve this effect, and this effect can not even be called special effect. You just add the following code to your web page.
1. Automatic page refresh: add the following code to the < head > area
< meta http equiv = “Refresh” content = “20” >, where 20 refers to refreshing the page every 20 seconds
2. Automatic page Jump: add the following code to the < head > area
<meta http-equiv=”refresh” content=”20;url= https://www.jb51.net “>, where 20 means to jump to after 20 seconds https://www.jb51.net page
3. Automatic page refresh JS version
setTimeout(‘myrefresh()’,1000); // Specify one refresh per second