Node Js
fs.readfileSync
fs.writefileSync
fs.existsSync
fs.access
fs.stat
fs.stats
fs.constants
fs.readFile
fs.writeFile
http.createServer()
.forEach(){}
Math.random
Array.from(), And use it to make a list of generated numbers from 100 to 200
throw
http.createServer
http.listen
.replace()