var-let-const.js

let age = 11;
age = 12;
console.log(age);



let greeting = 'say Hi';
let times = 4;

if (times > 3) {
    let greeting = 'say Hello instead';
    console.log(greeting);
}
console.log(greeting);




const greetings = "say Hi";
    greetings = "say Hello instead"; // error: Assignment to constant variable. 

    // const greetings2 = "say Hi";
    // const greetings2 = "say Hello instead"; // error: Identifier 'greeting' has already been declared

    // This behavior is somehow different when it comes to objects declared with const.