"use strict"; // a = 5; // console.log(a); // First ans Second lessons // console.log(leftBorderWidth); // console.log(second); var leftBorderWidth = 1; { let second = 2; // console.log(second); } const pi = 3.14; // console.log(leftBorderWidth); // console.log(second); // var infin = 4/0; // infinity // var number = 5; // var string = "Fuck off!"; // var sym = Symbol(); // var boolean = true; // var b = ""; // var a; //undefined; // var obj = {}; // var array = [1,2,3]; let person = { name: "Master", lastName: "Lex", age: 54, isMarried: true }; // console.log(person.lastName); // console.log(person["name"]); let arr = ["plum.png","butt.png","legs.png"]; // console.log(arr[2]); let imgArr = ['../img/hd-space.jpg','../img/earth-space.jpg']; // console.log(typeof (imgArr)); // alert("fuck off!"); // let answer = confirm("Who the fuck are you?"); // console.log(answer); // let answer = +prompt("Are you nuts?", "Sure"); // console.log(typeof (answer)); // ******************************** // INCREMENT And Dicrement // let x = "4"; // console.log(typeof x); // console.log(typeof +x); let incr = 10, decr = 10; // incr++; // decr--; // console.log(incr, decr); // console.log(++incr,--decr); console.log(incr++, decr--); console.log(incr,decr); console.log(5%2); console.log("2" == 2); console.log("2" === 2); let isChecked = false, isClose = false; console.log(isChecked && isClose); console.log(isChecked || isClose); console.log(isChecked || !isClose);