Node js

1) Install node

https://nodejs.org/en/


2) cmd >  node main.js

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var http= require("http");

http.createServer(function(request,response){
       
 response.writeHead(200,{'ContentType':'text/plain'});
response.end('hello world');
       
}).listen(8081);

console.log("server running at .......... localhost:8081 ");



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