node application get value from terminal code example
Example 1: promp node js
const readline = require("readline");
const rl = readline.createInterface({
input: process.stdin,
output: process.stdout
});
rl.question("What is your name ? ", function saveInput(name) {
console.log(`His name is ${name}`);
rl.close();
});
rl.on("close", function saveInput() {
console.log("\nBYE BYE !!!");
process.exit(0);
});
Example 2: node js ask for user input
const readline = require("readline");
const rl = readline.createInterface({
input: process.stdin,
output: process.stdout
});
rl.question("What is your name ? ", function(name) {
rl.question("Where do you live ? ", function(country) {
console.log(`${name}, is a citizen of ${country}`);
rl.close();
});
});
rl.on("close", function() {
console.log("\nBYE BYE !!!");
process.exit(0);
});
Example 3: user input node javascript
const readline = require('readline').createInterface({ input: process.stdin, output: process.stdout}); readline.question('Who are you?', name => { console.log(`Hey there ${name}!`); readline.close();});