JavaScript

const characters = [
      { name: 'Jean-Luc Picard', age: 59 },
      { name: 'Will Riker', age: 29 },
      { name: 'Deanna Troi', age: 29 }
      ];
const result = characters.map(function (item) 
{
  const nameArray = item.name.split(" ")
  return {
    first_name: nameArray[0],
    last_name: nameArray[1],
    age: item.age < 30 ? 'young' : 'old'
  }
})
console.log(result)

function Quiz(questions) {
    this.score = 0;
    this.questions = questions;
    this.questionIndex = 0;
   
}

Quiz.prototype.getQuestionIndex = function() {
    return this.questions[this.questionIndex];
}

Quiz.prototype.guess = function(answer) {
    if(this.getQuestionIndex().isCorrectAnswer(answer)) {
       
        this.score++;
    }
   
    this.questionIndex++;
}

Quiz.prototype.isEnded = function() {
    return this.questionIndex === this.questions.length;
}


function Question(text, choices, answer) {
    this.text = text;
    this.choices = choices;
    this.answer = answer;
}

Question.prototype.isCorrectAnswer = function(choice) {
    return this.answer === choice;
    
}



function populate() {
    if(quiz.isEnded()) {
        showScores();
    }
    else {
        // show question
        var element = document.getElementById("question");
        element.innerHTML = quiz.getQuestionIndex().text;

        // show options
        var choices = quiz.getQuestionIndex().choices;
        for(var i = 0; i < choices.length; i++) {
            var element = document.getElementById("choice" + i);
            element.innerHTML = choices[i];
            guess("btn" + i, choices[i]);
        }

        showProgress();
    }
};

function guess(id, guess) {
    var button = document.getElementById(id);
    button.onclick = function() {
        quiz.guess(guess);
        populate();
    }
};


function showProgress() {
    var currentQuestionNumber = quiz.questionIndex + 1;
    var element = document.getElementById("progress");
    element.innerHTML = "Question " + currentQuestionNumber + " of " + quiz.questions.length;
};

function showScores() {
    var gameOverHTML = "<h1>Result</h1>";
    gameOverHTML += "<h2 id='score'> Your scores: " + quiz.score + "</h2>";
    var element = document.getElementById("quiz");
    element.innerHTML = gameOverHTML;
};

// create questions here
var questions = [
    new Question("शरीर से पसीना सबसे अधिक कब निकलता है", ["जब तापक्रम अधिक और हवा सुख हो", "जब तापक्रम अधिक और हवा आर्द्र हो","जब तापक्रम कम और हवा आर्द्र हो", "जब तापक्रम कम और हवा सुखी हो"], "जब तापक्रम अधिक और हवा आर्द्र हो"),
    new Question("Which language is used for styling web pages?", ["HTML", "JQuery", "CSS", "XML"], "CSS"),
    new Question("Which is not a JavaScript Framework?", ["Python Script", "JQuery","Django", "NodeJS"], "Django"),
    new Question("Which is used for Connect To Database?", ["PHP", "HTML", "JS", "All"], "PHP"),
    new Question("Webdevtrick.com is about..", ["Web Design", "Graphic Design", "SEO & Development", "All"], "All")
];

// create quiz
var quiz = new Quiz(questions);

// display quiz
populate();</pre>

Wrong
function looseJsonParse(obj){
    return eval("(" + obj + ")");
}

Right
function looseJsonParse(obj){
    return Function('"use strict";return (' + obj + ')')();
}

function save(bkType, txt, id , dataType) {        

    let error = false;
    let typeVar = eval('document.step2.' + txt + '.value'); // Ref 1
    let referenceId = '';
    let refDetail = '';
    let quantity = '';

    // Whether to post msrp.phtml or not
    const fPost = true;

    if ('Q' == bkType) {

        typeVar = 'document.step2.' + id + '\$quan' + '.value';
        quantity = eval(typeVar); // Ref 2

    }
    else if ('TQ' == bkType)  {

        typeVar = 'document.step2.' + id + '\$quan' + '.value';
        quantity = eval(typeVar);
        typeVar = 'document.step2.' + id + '\$type' + '.value';
        referenceId = eval(typeVar);

        if ('quan' != data_type)  {

            var typeOptions = eval('document.step2.' + txt + '.options');
            FilterInactivePart(typeOptions);

        }

    } 

<!-- This is page 1-->
    <div data-role="page" id="item1">

<!-- favourites button-->
          <fieldset data-role="controlgroup" data-type="horizontal">
              <input type="checkbox" name="favourite1" id="favourite1" class="custom">
              <label for="favourite1">Add to favourites</label>
			  <div id="dog"><img id="theImg"  src="images/dog.png" />Where is the image?</div>
           </fieldset>

<!-- This is page 2-->
    <div data-role="page" id="item2">
     
      <div data-role="header" data-position="fixed"> <!-- header-->
        <h1>Item 2</h1>
      </div>

<!-- favourites button-->
         <fieldset data-role="controlgroup" data-type="horizontal">
             <input type="checkbox" name="favourite2" id="favourite2" class="custom">
             <label for="favourite2">Add to favourites</label>
          </fieldset>

<!-- Favourites page -->
   <div data-role="page" id="favourites">

     <div data-role="header" data-position="fixed"> <!-- header-->
       <h1>Favourites</h1>
     </div>

     <div role="main" class="ui-content"> <!-- main contain-->

      <h1>Favourites</h1>

       <!-- buttons allowing navigation to item 1 and item 2-->
         <a href="#item1" class="ui-btn ui-btn-inline">Item 1 page</a>
         <a href="#item2" class="ui-btn ui-btn-inline">Item 2 page</a>

         <div id="favourite-content"><p>My favourites: </p></div>

       <div id="list"
       <form action="mailto:@mail.com Feedback" method="post" enctype="text/plain">
           Email Adress:<br />
       <input type="text" id ="fav" name="email_address" value="" maxlength="100" /><br />

       <input type="submit" value="Submit" />

       </form>
       </div>

function saveWithProgress(stage) {

    console.log("Save with Progress - Calling msrp.phtml");
    const spinner = document.getElementById('spinnerOverlay');    

    if (stage == 'construction') {

        let note = prompt('Please brief summary of changes - construction', '');
        if (note != '' && note != null) {

            spinner.classList.remove('hide');<br />
            spinner.classList.add('show');

            const cUrl = 'msrp.phtml?save=1&new_note=' + note + '&cachebuster=' + (new Date()).valueOf();
            let openRequest = indexedDB.open(cUrl, 1);

            openRequest.onsuccess = (event) => {

                console.log('Save with Progress Construction - Success!');
                var db = event.target.result;
                console.log("Save with Progress Construction - ", db);

                spinner.classList.remove('show');<br />
                spinner.classList.add('hide');

            };

            openRequest.onerror = (error) => {

                console.log('Save with Progress Construction - ', error);

            };

        }
    } 
    else 
    {
        if (confirm('Are you sure that you want to save the changes? - everything but construction')) {

            spinner.classList.remove('hide');<br />
            spinner.classList.add('show');

            const saveUrl = 'msrp.phtml?save=1&cachebuster=' + (new Date()).valueOf();
            let openRequest = indexedDB.open(saveUrl, 1);

            openRequest.onsuccess = (event) => {

                console.log('Save with Progress - Success!');
                var db = event.target.result;
                console.log("Save with Progress - ", db);

                spinner.classList.remove('show');<br />
                spinner.classList.add('hide');

            };

            openRequest.onerror = (error) => {

                console.log('Save with Progress Construction - ', error);

            };           

        }
    }

    return false;

}