datatypes.js

//numberdata type
var myNumber = 42;
console.log(myNumber);
console.log(typeof String(myNumber));
console.log(typeof myNumber + "");

//string data type
var myString = "Hello, World!";
console.log(myString);

//boolean data type
var isJavaScriptFun = true;
console.log(isJavaScriptFun);

//undefined data type
var undefinedVar;
console.log(undefinedVar);

//null data type
var nullVar = null; 
console.log(nullVar);

// bigint data type
var bigIntVar = 90071992547409911234567873445431n;
console.log(bigIntVar);


console.log(typeof nullVar);      
console.log(typeof +myString);

var day = 'Monday';
if(day){
    console.log("The vlaue is truthy");   
}
else{
    console.log("The value is falsy");
}

var myString2 = "123.45";

console.log(parseInt(myString2));
console.log(parseFloat(myString2));

console.log(myString.split(''));