function main() {
console.log("Hello JavaScript");
}
function addNumbers(a, b) {
return a + b;
}
function fibonacci(n) {
if (n <= 1) return n;
return fibonacci(n - 1) + fibonacci(n - 2);
}
class Calculator {
constructor() {
this.value = 0;
}
calculate(op, val) {
switch (op) {
case '+':
this.value += val;
break;
case '-':
this.value -= val;
break;
}
}
getValue() {
return this.value;
}
}
const multiply = (a, b) => a * b;
const mathUtils = {
isPrime(n) {
if (n <= 1) return false;
for (let i = 2; i < n; i++) {
if (n % i === 0) return false;
}
return true;
},
factorial(n) {
if (n <= 1) return 1;
return n * this.factorial(n - 1);
}
};
main();