const functionName = function(parameters) {
  // body
};

const greet = function(name) {
  return `Hello, ${name}!`;
};

console.log(greet('Alice')); // 'Hello, Alice!'

// ❌ This throws an error!
sayHello(); // ReferenceError

const sayHello = function() {
  console.log('Hello!');
};

flowchart TD
    A["Function Expression"]
    B["const greet = function(name) { return '...'; }"]
    C["❌ Not hoisted"]
    D["✅ Stored in a variable"]
    E["✅ Can be anonymous or named"]

    A --> B
    B --> C
    B --> D
    B --> E

const greet = function sayHello(name) {
  return `Hello, ${name}!`;
};
// The name 'sayHello' is only accessible inside the function