chap1.js

// console.log("Hello world","Madhav",21,"MCA");

// let a=10;
// var b=20;
// const c=30;
// console.log(a,b,c); 

// Primitive data types
/*
let d=1;
let e="Madhav";
let f=true;
let g=undefined;
let h=null;
let i=BigInt(4729729429478284);
let j=Symbol("heyy");

console.log(d,e,f,g,h,i,j);
console.log(typeof d, typeof e, typeof f, typeof g, typeof h, typeof i, typeof j); 
*/

//Non-pritive data type

/*
let person={
    fname:'Madhav',
    lname:'Gupta',
    age:21,
    isMarried:false
}
person.age=22; // to update values of item in object
person.college="Tula's Institute"; // to add item in object
console.log(person);
console.log(person.age); // to print specific value of object
*/

//implicit type conversion :- Type coercion
/*
console.log(35+"mg");
console.log(35+"23");
console.log(typeof (35+"mg"));
*/


//explicit type conversion:- Type casting

/*
let a=10;
let s=String(a);
console.log(typeof a);
console.log(typeof s);
*/

//Chapter 1 completed