JavaScript-tutorial/index.js at master · peerichie/JavaScript-tutorial · GitHub

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   /* console.log("Greetings for my external javaScript File!!!");

    //Variable declaration//

    var a;

    console.log(a);

    let c;

    console.log(c);

// const b;
*/

/**
 * let
 */

 /* myNumber = 10;

 console.log(myNumber);

 let myString;

 myString = "my string is beautiful";

 console.log(myString);

 myString = "my string has  been reassigned";

 console.log(myString);*/

 //var//
 /*var myNumber = 10;

 console.log(myNumber);

 var myString;

 myString = "my string is beautiful";

 console.log(myString);

 myString = "my string has  been reassigned";

 console.log(myString);*/

 // Const//

/* const myboolean = true;

 console.log(myboolean); */

 //challenge 1//

 //const myObject = {};

 //console.log(myObject);

 //var x = 10;

 //const y = true;

// const myObject = {a: x, b: y};

 //console.log(myObject);

//x = 20
 //let anotherObject = {newX: x, b: y, c: myObject};

 //console.log(anotherObject);

 let myVariable;

 /*console.log(myVariable);

 myVariable = 10;

 console.log(myVariable);

 myVariable = true;

 console.log(myVariable);*/

 myVariable = {
     x : 10,
     y : true
 };

 console.log(myVariable);

 let myNewVariable;

 myNewVariable = null;

 console.log(myNewVariable); //null

 myNewVariable = 15;
 console.log(myNewVariable); //number

 myNewVariable = false;
 console.log(myNewVariable);//boolean