wilder@wilder-ThinkPad-T430s:~$ node app.js
How old are you ?
23
Tu est née en 1996






Le code JS:

process.stdin.resume()
process.stdin.setEncoding('utf8')

console.log('How old are you ? ')
process.stdin.on('data', (number) => {
    if (number < 99 && number > 1) {
        année = 2019 - number
        console.log(`Tu êtes née en ${année}!`)
        process.exit()
    } else {
        console.log("Age incorrecte")
        process.exit()
    }
})