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Copy path20_Conditionals.js
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20_Conditionals.js
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//if(condition//true){
//code/logic
// }
// const khanaKyayaKya = false;
// if ("2"===2) {
// console.log("executed");
// }
// else {
// console.log("the codition u proveded was false. therefore the code is not exectuded");
// }
// const accBalance = 250;
// if (accBalance == 250) console.log("acc me bhot paisa hain. acc me total :", accBalance, "paisa hain");
//if else
// const date = new Date();
// const currentHour=17
// // console.log(currentHour)
// if (currentHour < 12 && currentHour>0) {
// console.log("good morning")
// } else if (currentHour < 17 && currentHour>=12) {
// console.log("good afternoon")
// } else if ( currentHour >= 17 && currentHour<20) {
// console.log("good evening")
// } else if (currentHour > 20 && currentHour < 24) {
// console.log("good night")
// }
// else {
// console.log("greetings")
// }
//nested ifelse:
// const courseName = "c++";
// const mentor = "yadnyesh"
// let chaiPrice = 5000
// if (courseName == "javascript") {
// if (mentor == "yadnyesh") {
// if (coursePrice <= 3000) {
// console.log("lets buy the course!")
// } else {
// console.log("acutal price: ",coursePrice)
// }
// } else {
// console.log("the montor name is :",mentor)
// }
// } else {
// console.log("dont buy the course!")
// }
// if ("coffee" == "chai") {
// let coffeePrice = 20;
// console.log(coffeePrice)
// } else {
// var chaiPrice = 10;
// console.log("not executed")
// }
// console.log(chaiPrice)
/////////////////////////////////////////////////Switch///////////////////////////////////////
// const date = new Date();
// const month = date.getMonth();
// console.log(month)
// switch (month) {
// case 0:
// console.log("jan")
// break;
// case 1:
// console.log("feb ")
// break;
// case 6:
// console.log("good evening ")
// break;
// case 11: //10
// console.log("december")
// break;
// default:
// console.log("error")
// break;
// }
// const isLoggedIn = true;
//truthy values and falsy values
//truthy values:
//true," ", "false" , [],{},function(){},
//falsy values: false, 0, BigINt 0n,NaN,-0,null, undefined
// const myName = 0n
// if (myName) {
// console.log("truthy values");
// } else {
// console.log("this is a falsy value ")
// }
//terniary operators:
// condition ? true : false
// const accBalance = 50;
// accBalance >= 100 ? console.log("yes my acc balace is greater than or equals 100") : console.log("acc balance is less than 100")
// 2 == 3 ? console.log("true") : console.log("false")
// let ice = "hot";
// ice == "hot" ? ice = "cold" : ice = "very cold"
// console.log(ice)
// NCO(nullish coaleseing operator : null and undefined)
// let accBalance;
// // console.log(accBalance)
// accBalance = 132 ?? undefined
// console.log(accBalance)
const num1=5
const num = Boolean(num1)
console.log(num)