Universal Code Snippet
console.log("Hello, World!");const readline = require('readline');
const rl = readline.createInterface({ input: process.stdin, output: process.stdout });
rl.question('Enter your name: ', (name) => {
console.log(`Hello, ${name}!`);
rl.close();
});const age = 20;
if (age >= 18) {
console.log("You are an adult.");
} else {
console.log("You are a minor.");
}console.log("For loop:");
for (let i = 1; i <= 5; i++) {
process.stdout.write(i + " ");
}
console.log();
console.log("While loop:");
let j = 1;
while (j <= 5) {
process.stdout.write(j + " ");
j++;
}
console.log();function add(a, b) {
return a + b;
}
console.log("Sum:", add(10, 20));const numbers = [10, 20, 30, 40, 50];
numbers.forEach((v, i) => {
console.log(`Element ${i}: ${v}`);
});let str1 = "Hello";
let str2 = " World";
console.log("Length:", str1.length);
let combined = str1 + str2;
console.log("Concatenated:", combined);
console.log("Uppercase:", combined.toUpperCase());const a = 15.0, b = 4.0;
console.log("Add: ", a + b);
console.log("Subtract:", a - b);
console.log("Multiply:", a * b);
console.log("Divide: ", a / b);
