Php + ajax refresh simple instances in real time, phpaajax real-time instance _ PHP Tutorial

Php + ajax refreshes simple instances in real time and phpajax real-time instances. Php + ajax Real-time refresh simple example. phpajax real-time instance this article describes the php + ajax Real-time refresh simple implementation method and shares it with you for your reference. Details: ajax auto-refresh php + ajax Real-time refresh simple instance, phpajax real-time instance

The example in this article describes the simple implementation of php + ajax Real-time refresh and shares it with you for your reference. The details are as follows:

Ajax automatic refresh seems to be a very common problem. Previously, a Web chat room program was stuck on this page. after studying this time, finally, I made a code framework that could automatically refresh the web page. I hope that the confused friends will not make so many detours like me.
Not much nonsense about the code:

Html section: