app.js

// Q : 1 

// const firstName = prompt("");
// const lastName = prompt("");

// const add = firstName + " " +lastName ;

// console.log(add)

// DONE 


// Q : 2

// const head = document.querySelector("h2")
// const userValue = prompt("enter your fav mobile model");
// const add = userValue.length;

// head.innerHTML = "MY FAV MOBILE PHONE IS :" + " " +userValue+ " " +add;

// DONE 


// Q : 3

// const head = document.querySelector("h2")

// const word = prompt("")
// const add = word.indexOf("n");

// head.innerHTML = word+ " " + add;


// DONE 


// Q : 4

// const head = document.querySelector("h2")
// const word = prompt("")
// const add = word.indexOf("l");

// head.innerHTML = word+ " " +add

// DONE


// Q : 5

// const word = "pakistani";
// const add =word.charAt(3)
// console.log("character of index 3:"+ " " + add)

// DONE 


// Q : 6

// const word = "iqbal";
// const words = "khan";
// const add =word.concat( " " +words );
// console.log(add)

// DONE 


// Q : 7

// const city = "karachi";

// const nameCity = city.replace( "ali", "iqbal" );
// console.log("after replacement" +nameCity)


// DONE OR NOT DONE 


// Q : 8


// const massage= "ali and iqbal are best friends. they are playing crickets and football together";
//  const newMassage = massage.replace(/and/g, "&");

//  console.log(newMassage)

//  DONE 


// Q : 9

// const str = "472"
// const num = parseInt(str);

// console.log( "value" + str)
// console.log( "type" + typeof str)

// console.log( "value" + num)
// console.log( "type" + typeof num)

// DONE 



// Q : 10

// function submit(url){
//     let domain = url.split("www.").pop();
//     return domain;
// }



// let url = "www.facebook.com";
// let domain = submit(url);
// console.log("Domain:",domain)


// NOT DONE 


// Q : 11

// const userValue = prompt("Enter your username");

// const add =userValue.toUpperCase();

// console.log(add)

// DONE 

// Q : 12

// const userValue = prompt("Enter your username");

// let add = userValue.toLowerCase();

// console.log(add)

// DONE


// Q : 13

// const userName = prompt("Enter your");

// const add = userName.charAt(0).toUpperCase() + userName.slice(1).toLowerCase();

// console.log(add)

// DONE 


// Q : 14


// const num =35.36;

// const numString = num.toString();
// const result = numString.replace(".", "");
// console.log("number",num);
// console.log("result",result);

// DONE    


// Q : 15

// const a = prompt("")
// const b = prompt("")

// let add = a + b;


// console.log("a is",a)
// console.log("b is",b)

// console.log(add);

// DONE


// Q : 16

// const a = prompt("")
// const b = prompt("")
// let sub = a - b;

// console.log("a is",a)
// console.log("b is",b)
// console.log(sub)

// DONE


// Q : 17

// const userName = prompt("Enter your");

// if(userName.includes(".")||userName.includes(",")||userName.includes("!")){
//     alert("Please enter a valid user name without any special characters");
    
// }else{
//     alert("Your user name is valid");
// }

// DONE 


// Q : 18

// const  arr = ["apple" ,"banana" ,"mango" , "grapes" ,"pepperoni"]
// const userSearch = prompt("please select your favorite fruit")

// let isFound = false;
// for(let i = 0; i < arr.length; i++){
//    if(arr[i].toLowerCase() === userSearch.toLowerCase()){
//     isFound = true;
//     break;
//    }
// }
// if(isFound){
//     console.log("Your favorite fruit is " + userSearch);

// }else{
//     console.log("Your favorite fruit is not found");
// }

// DONE 


// Q : 19


// const first = prompt("please enter first string value")
// const second = prompt("please enter second string value")

// if(first > second){
//     alert("the first string is greater than the second string")
// }else if(first < second){
//     alert("the first string is less than the second string")
// }else{
//     alert("the first string is equal to the second string")
// }

// DONE 


// Q : 20

// const password = prompt("enter your password");

// var alphabet = /[a-zA-Z]/.test(password);
// var numbers = /[0-9]/.test(password);

// var startNumber = /^[0-9]/.test(password);
// var passwordLength = password.length >= 6;

// if(alphabet && numbers && ! startNumber && passwordLength){
//     alert("your password is valid")
// }else{ 
//     alert("your password is not valid")
// }


// DONE


// Q : 21

// const str = "university of karachi"

// const broke = str.split("")

// for(let i = 0; i< broke.length; i++){
//     console.log(broke[i] + " ")
// }

// DONE 


// Q : 22

// const userInput ="pakistan"
// const lastCharacter = userInput.charAt(userInput.length-1)
// console.log("last character of input :" + " " +lastCharacter)

// DONE 


// Q : 23


// not complete


// Q : 24

// var str = "pakistan"

// not complete