Javascript-ajax environment Server

What software is easy to use to build the server environment, what software is easy to use to build the front-end server environment, front-end

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What software is easy to use, front-end

Server, or the http server,
Javascript or which javascript?

AJAX is not an environment and does not need to be set up.

Learn about AJAX: https://developer.mozilla.org/zh-CN/docs/AJAX first

What do you use on the front end? Ajax can be written in native js, jquery, and fetch. Do you want to interact with php?

When you encounter an ajax request, do you prompt that the server environment can run?
In this way, you can directly install a server software, and the web page is opened on localhost. There are a lot of server software, which depends on the language in which your backend processing is needed. php uses wamp, node js is the next node js, and tomcat can be used for java.

Php built-in Server

Run php-S localhhost: 80 in the current directory
Then access http: // localhost/Your webpage. html in a browser

Before asking a question, check what ajax is.