The main point of this page is using http and javascript so that you can change some content in the page without refreshing the browser.
You can add/delete/find/list all data in students.json
Your enviroment need to install either npm or yarn first. Then you can get needed packages from yarn.
$ yarn init -y
$ yarn add express jquery
Or using npm.
$ npm init -y
$ npm i express jquery --save
Open server.js via in any editor you like, you can change the port in 3rd line.
$ node ./server.js
Open any browser and type
http://localhost: The port you set before
If you don't change the port in server.js
, you can type
http://localhost:31254