//---------------------------day1_level_1 1.exercise ------------------------\\
// Write a single line comment which says, comments can make code readable

// comments can make code readable

//---------------------------day1_level_1 2.exercise-------------------------\\
// Write another single comment which says, Welcome to 30DaysOfJavaScript

//Welcome to 30DaysOfJavaScript

//---------------------------day1_level_1 3.exercise-------------------------\\
// Write a multiline comment which says, comments can make code readable, easy to reuse and informative

/*        comments can make code readable,
           easy to reuse and informative  */

//---------------------------day1_level_1 4.exercise-------------------------\\
// Create a variable.js file and declare variables and assign string, boolean, undefined and null data types

//variable.js
let string = 'nevzat'
let number = 25
let boolean = true
let nulll = null
let any;     //undefined

//---------------------------day1_level_1 5.exercise-------------------------\\
// Create datatypes.js file and use the JavaScript typeof operator to check different data types. Check the data type of each variable

//type.js
console.log(typeof (string) )
console.log(typeof (number))
console.log(typeof (boolean))
console.log(typeof (nulll))
console.log(typeof (any))

//---------------------------day1_level_1 6.exercise-------------------------\\
// Declare four variables without assigning values

    let variable1;
    let variable2;
    var variable3;
    let variable4;

//---------------------------day1_level_1 7. exercise------------------------\\
// Declare four variables with assigned values

variable1 = "nevzat"
variable2 = "ATALAY"
variable3 =  true;
variable4 = 25;

//---------------------------day1_level_1 8.exercise-------------------------\\
// Declare variables to store your first name, last name, marital status, country and age in multiple lines

let firstName = "nevzat"
let lastName = "atalay"
let old = 25
let isMarried = true

//---------------------------day1_level_1 9.exercise-------------------------\\
// Declare variables to store your first name, last name, marital status, country and age in a single line

let name = "nevzat",surName="atalay",age = 25, married = true

//---------------------------day1_level_1 10.exercise------------------------\\
// Declare two variables myAge and yourAge and assign them initial values and log to the browser console.

let myAge= 25
let yourAge = 22

console.log("I am " + " " +  myAge + " " + "years old.")
console.log("You are" + " " +  yourAge + " " +  "years old.")