JavaScript

Functions

const calculateSum = (number1, number2, number3, number4) => {
  return number1 + number2 + number3 + number4;
}

const totalMarks = calculateSum(81, 90, 72, 99);
console.log(totalMarks);

const calculateSum = (number1, number2, number3, number4) =>
  number1 + number2 + number3 + number4;

const totalMarks = calculateSum(81, 90, 72, 99);
console.log(totalMarks);

const displayGreeting = () => {
  console.log("Hello World!");
}

displayGreeting();

const displayGreeting = () => console.log("Hello World!");

displayGreeting();

const displayGreeting = () => console.log("Hello World!");

const valueReturned = displayGreeting();
console.log(valueReturned);