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In: Computer Science

Change or edit the following code so that it has 20 questions, there's an image for...

Change or edit the following code so that it has 20 questions, there's an image for each question and once the user enters an incorrect answer, there's a button that the user can click on that displays the correct answer. The questions and answer choices should also be random each time you start the quiz.

<!DOCTYPE html>
<html lang="en" >
<head>
<meta charset="utf-8" />
<title>World Cup Quiz</title>
</head>
<body>
<style>
#flashcards001 {
background-color: white;
border: 4px solid black;
width: 400px;
height: 400px;
border-radius: 10px;
padding: 10px;
margin: 10px;
}

.buttons001 {
background-color: blue;
color: white;
padding: 5px;
margin: 10px;
border-radius: 10px;
width: 100px;
}

.buttons002 {
background-color: lightblue;
color: black;
padding: auto;
margin: auto;
border-radius: auto;
width:auto;
}

#text001 {
text-align: center;
}

#text002 {
text-align: left;
}

#green001 {
color: green;
}

#red001 {
color: red;
}

</style>
<div id="frame001">
<div id="text001">
<h2>World Cup Quiz</h2>
Question: <text id="number001">0</text><br />
Score: <text id="score001">0</text>
<hr />
<div id="message001">Click Begin to start</div><br />
</div>
<div id="text002">
<div id="question001"></div>
<div id="option001"></div>
<div id="option002"></div>
<div id="option003"></div>
<div id="option004"></div>
<div id="answer001"></div>
<div id="text001">
<div id="disappear001"><button class="buttons001" onclick="begin001()">Begin</button></div>
</div>
<div id="next001"></div>
</div>
</div>

<script>

var q = [" What team is this? <br /><br />", "What team is this?<br /><br />", "What team is this?<br /><br />", "What team is this?<br /><br />", "What team is this?<br /><br />", "What team is this?<br /><br />", "What team is this?<br /><br />", "What team is this?<br /><br />", "What team is this?<br /><br />", "What team is this?<br /><br />"];
//Below code no need to call different function on onclick(), call same function instead
var a1 = ["<button class=buttons002 onclick=q1c()>England</button>",
"<button class=buttons002 onclick=q1c()>Croatia</button>",
"<button class=buttons002 onclick=q1c()>Spain</button>",
"<button class=buttons002 onclick=q1c()>Netherlands</button>",
"<button class=buttons002 onclick=q1c()>Chile</button>",
"<button class=buttons002 onclick=q1c()>Autralia</button>",
"<button class=buttons002 onclick=q1c()>Cameroon</button>",
"<button class=buttons002 onclick=q1c()>Mexico</button>",
"<button class=buttons002 onclick=q1c()>Colombia</button>",
"<button class=buttons002 onclick=q1c()>Greece</button>"];

var a2 = ["<button class=buttons002 onclick=q1i()>Japan</button>",
"<button class=buttons002 onclick=q1i()>Greece</button>",
"<button class=buttons002 onclick=q1i()>Uruguay</button>",
"<button class=buttons002 onclick=q1i()>Costa Rica</button>",
"<button class=buttons002 onclick=q1i()>Italy</button>",
"<button class=buttons002 onclick=q1i()>Switzerland</button>",
"<button class=buttons002 onclick=q1i()>Ecuador</button>",
"<button class=buttons002 onclick=q1i()>France</button>",
"<button class=buttons002 onclick=q1i()>Honduras</button>",
"<button class=buttons002 onclick=q1i()>Brazil</button>"];

var a3 = ["<button class=buttons002 onclick=q1i()>Argentina</button>",
"<button class=buttons002 onclick=q1i()>Bosnia and Herzegovina</button>",
"<button class=buttons002 onclick=q1i()>Iran</button>",
"<button class=buttons002 onclick=q1i()>Nigeria</button>",
"<button class=buttons002 onclick=q1i()>Germany</button>",
"<button class=buttons002 onclick=q1i()>Ghana</button>",
"<button class=buttons002 onclick=q1i()>USA</button>",
"<button class=buttons002 onclick=q1i()>Belgium</button>",
"<button class=buttons002 onclick=q1i()>Algeria</button>",
"<button class=buttons002 onclick=q1i()>Russia</button>"];

var a4 = ["<button class=buttons002 onclick=q1i()>Kora Republic</button>",
"<button class=buttons002 onclick=q1i()>Poland</button>",
"<button class=buttons002 onclick=q1i()>Egypt</button>",
"<button class=buttons002 onclick=q1i()>Iceland</button>",
"<button class=buttons002 onclick=q1i()>Serbia</button>",
"<button class=buttons002 onclick=q1i()>Portugal</button>",
"<button class=buttons002 onclick=q1i()>Panama</button>",
"<button class=buttons002 onclick=q1i()>Morocco</button>",
"<button class=buttons002 onclick=q1i()>Tunisia</button>",
"<button class=buttons002 onclick=q1i()>Peru</button>"];

var c = ["Correct", "Correct", "Correct", "Correct", "Correct", "Correct", "Correct", "Correct", "Correct", "Correct"];
var i = ["Incorrect", "Incorrect", "Incorrect", "Incorrect", "Incorrect", "Incorrect", "Incorrect", "Incorrect", "Incorrect", "Incorrect"];

}
// Pass randomNumber variable in place of index 0
function q1c() {
answer001.innerHTML = "<div id=green001>" + c[randomNumber] + "</div>";
option001.innerHTML = "";
option002.innerHTML = "";
option003.innerHTML = "";
option004.innerHTML = "";
next001.innerHTML = "<button class=buttons001 onclick=begin001()>Next</button>";
score001.innerHTML = s++;
}

// Pass randomNumber variable in place of index 0
function q1i() {
answer001.innerHTML = "<div id=red001>" + i[randomNumber] + "</div>";
option001.innerHTML = "";
option002.innerHTML = "";
option003.innerHTML = "";
option004.innerHTML = "";
next001.innerHTML = "<button class=buttons001 onclick=begin001()>Next</button>";
}

function end001() {
message001.innerHTML = "End of Quiz.";
question001.innerHTML = "";
option001.innerHTML = "";
option002.innerHTML = "";
option003.innerHTML = "";
option004.innerHTML = "";
next001.innerHTML = "<div id=text001>" + "<button class=buttons001 onclick=repeat001()>Repeat</button>" + "</div>";
answer001.innerHTML = "";
}

function repeat001() {
location.reload();
}
</script>
</body>
</html>

Solutions

Expert Solution

I have updated the code so now it will take 20 questions to end the quiz as you can see in the above screenshot. Questions will be asked randomly along with options which are jumbled among themselves like when I got the code to edit only option (a) was correct for every question but now it will generate random option for the correct answer.

If you selected the wrong answer you can view the correct answer by clicking on the answer button.

And the answer will be shown and you can move to the next question

If you have selected the correct option only score will get increased.

Now Code for this is given below:

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8" />
    <title>World Cup Quiz</title>
    <style>
      #flashcards001 {
        background-color: white;
        border: 4px solid black;
        width: 400px;
        height: 400px;
        border-radius: 10px;
        padding: 10px;
        margin: 10px;
      }

      .buttons001 {
        background-color: blue;
        color: white;
        padding: 5px;
        margin: 10px;
        border-radius: 10px;
        width: 100px;
      }

      .buttons002 {
        background-color: lightblue;
        color: black;
        padding: auto;
        margin: auto;
        border-radius: auto;
        width: auto;
      }

      #text001 {
        text-align: center;
      }

      #text002 {
        text-align: left;
      }

      #green001 {
        color: green;
      }

      #red001 {
        color: red;
      }
    </style>
  </head>
  <body>
    <div id="frame001">
      <div id="text001">
        <h2>World Cup Quiz</h2>
        Question: <text id="number001">0</text><br />
        Score: <text id="score001">0</text>
        <hr />
        <div id="message001">Click Begin to start</div>
        <br />
      </div>
      <div id="text002">
        <div id="question001"></div>
        <div id="option001"></div>
        <div id="option002"></div>
        <div id="option003"></div>
        <div id="option004"></div>
        <div id="answer001"></div>
        <div id="text001">
          <div id="disappear001">
            <button class="buttons001" onclick="begin001()">Begin</button>
          </div>
        </div>
        <div id="next001"></div>
      </div>
    </div>

    <script>
      var q = [
        "What team is this 1?<br /><br />",
        "What team is this 2?<br /><br />",
        "What team is this 3?<br /><br />",
        "What team is this 4?<br /><br />",
        "What team is this 5?<br /><br />",
        "What team is this 6?<br /><br />",
        "What team is this 7?<br /><br />",
        "What team is this 8?<br /><br />",
        "What team is this 9?<br /><br />",
        "What team is this 10?<br /><br />",
        "What team is this 11?<br /><br />",
        "What team is this 12?<br /><br />",
        "What team is this 13?<br /><br />",
        "What team is this 14?<br /><br />",
        "What team is this 15?<br /><br />",
        "What team is this 16?<br /><br />",
        "What team is this 17?<br /><br />",
        "What team is this 18?<br /><br />",
        "What team is this 19?<br /><br />",
        "What team is this 20?<br /><br />",
      ];
      //Below code no need to call different function on onclick(), call same function instead
      var corAns = [
        "England",
        "Croatia",
        "Spain",
        "Netherlands",
        "Chile",
        "Autralia",
        "Cameroon",
        "Mexico",
        "Colombia",
        "Greece",
        "England",
        "Croatia",
        "Spain",
        "Netherlands",
        "Chile",
        "Autralia",
        "Cameroon",
        "Mexico",
        "Colombia",
        "Greece",
      ];

      var a1 = [
        "<button class=buttons002 onclick=q1c()>England</button>",
        "<button class=buttons002 onclick=q1c()>Croatia</button>",
        "<button class=buttons002 onclick=q1c()>Spain</button>",
        "<button class=buttons002 onclick=q1c()>Netherlands</button>",
        "<button class=buttons002 onclick=q1c()>Chile</button>",
        "<button class=buttons002 onclick=q1c()>Autralia</button>",
        "<button class=buttons002 onclick=q1c()>Cameroon</button>",
        "<button class=buttons002 onclick=q1c()>Mexico</button>",
        "<button class=buttons002 onclick=q1c()>Colombia</button>",
        "<button class=buttons002 onclick=q1c()>Greece</button>",
        "<button class=buttons002 onclick=q1c()>England</button>",
        "<button class=buttons002 onclick=q1c()>Croatia</button>",
        "<button class=buttons002 onclick=q1c()>Spain</button>",
        "<button class=buttons002 onclick=q1c()>Netherlands</button>",
        "<button class=buttons002 onclick=q1c()>Chile</button>",
        "<button class=buttons002 onclick=q1c()>Autralia</button>",
        "<button class=buttons002 onclick=q1c()>Cameroon</button>",
        "<button class=buttons002 onclick=q1c()>Mexico</button>",
        "<button class=buttons002 onclick=q1c()>Colombia</button>",
        "<button class=buttons002 onclick=q1c()>Greece</button>",
      ];

      var a2 = [
        "<button class=buttons002 onclick=q1i()>Japan</button>",
        "<button class=buttons002 onclick=q1i()>Greece</button>",
        "<button class=buttons002 onclick=q1i()>Uruguay</button>",
        "<button class=buttons002 onclick=q1i()>Costa Rica</button>",
        "<button class=buttons002 onclick=q1i()>Italy</button>",
        "<button class=buttons002 onclick=q1i()>Switzerland</button>",
        "<button class=buttons002 onclick=q1i()>Ecuador</button>",
        "<button class=buttons002 onclick=q1i()>France</button>",
        "<button class=buttons002 onclick=q1i()>Honduras</button>",
        "<button class=buttons002 onclick=q1i()>Brazil</button>",
        "<button class=buttons002 onclick=q1i()>Japan</button>",
        "<button class=buttons002 onclick=q1i()>Greece</button>",
        "<button class=buttons002 onclick=q1i()>Uruguay</button>",
        "<button class=buttons002 onclick=q1i()>Costa Rica</button>",
        "<button class=buttons002 onclick=q1i()>Italy</button>",
        "<button class=buttons002 onclick=q1i()>Switzerland</button>",
        "<button class=buttons002 onclick=q1i()>Ecuador</button>",
        "<button class=buttons002 onclick=q1i()>France</button>",
        "<button class=buttons002 onclick=q1i()>Honduras</button>",
        "<button class=buttons002 onclick=q1i()>Brazil</button>",
      ];

      var a3 = [
        "<button class=buttons002 onclick=q1i()>Argentina</button>",
        "<button class=buttons002 onclick=q1i()>Bosnia and Herzegovina</button>",
        "<button class=buttons002 onclick=q1i()>Iran</button>",
        "<button class=buttons002 onclick=q1i()>Nigeria</button>",
        "<button class=buttons002 onclick=q1i()>Germany</button>",
        "<button class=buttons002 onclick=q1i()>Ghana</button>",
        "<button class=buttons002 onclick=q1i()>USA</button>",
        "<button class=buttons002 onclick=q1i()>Belgium</button>",
        "<button class=buttons002 onclick=q1i()>Algeria</button>",
        "<button class=buttons002 onclick=q1i()>Russia</button>",
        "<button class=buttons002 onclick=q1i()>Argentina</button>",
        "<button class=buttons002 onclick=q1i()>Bosnia and Herzegovina</button>",
        "<button class=buttons002 onclick=q1i()>Iran</button>",
        "<button class=buttons002 onclick=q1i()>Nigeria</button>",
        "<button class=buttons002 onclick=q1i()>Germany</button>",
        "<button class=buttons002 onclick=q1i()>Ghana</button>",
        "<button class=buttons002 onclick=q1i()>USA</button>",
        "<button class=buttons002 onclick=q1i()>Belgium</button>",
        "<button class=buttons002 onclick=q1i()>Algeria</button>",
        "<button class=buttons002 onclick=q1i()>Russia</button>",
      ];

      var a4 = [
        "<button class=buttons002 onclick=q1i()>Kora Republic</button>",
        "<button class=buttons002 onclick=q1i()>Poland</button>",
        "<button class=buttons002 onclick=q1i()>Egypt</button>",
        "<button class=buttons002 onclick=q1i()>Iceland</button>",
        "<button class=buttons002 onclick=q1i()>Serbia</button>",
        "<button class=buttons002 onclick=q1i()>Portugal</button>",
        "<button class=buttons002 onclick=q1i()>Panama</button>",
        "<button class=buttons002 onclick=q1i()>Morocco</button>",
        "<button class=buttons002 onclick=q1i()>Tunisia</button>",
        "<button class=buttons002 onclick=q1i()>Peru</button>",
        "<button class=buttons002 onclick=q1i()>Kora Republic</button>",
        "<button class=buttons002 onclick=q1i()>Poland</button>",
        "<button class=buttons002 onclick=q1i()>Egypt</button>",
        "<button class=buttons002 onclick=q1i()>Iceland</button>",
        "<button class=buttons002 onclick=q1i()>Serbia</button>",
        "<button class=buttons002 onclick=q1i()>Portugal</button>",
        "<button class=buttons002 onclick=q1i()>Panama</button>",
        "<button class=buttons002 onclick=q1i()>Morocco</button>",
        "<button class=buttons002 onclick=q1i()>Tunisia</button>",
        "<button class=buttons002 onclick=q1i()>Peru</button>",
      ];

      var c = [
        "Correct",
        "Correct",
        "Correct",
        "Correct",
        "Correct",
        "Correct",
        "Correct",
        "Correct",
        "Correct",
        "Correct",
        "Correct",
        "Correct",
        "Correct",
        "Correct",
        "Correct",
        "Correct",
        "Correct",
        "Correct",
        "Correct",
        "Correct",
      ];
      var i = [
        "Incorrect",
        "Incorrect",
        "Incorrect",
        "Incorrect",
        "Incorrect",
        "Incorrect",
        "Incorrect",
        "Incorrect",
        "Incorrect",
        "Incorrect",
        "Incorrect",
        "Incorrect",
        "Incorrect",
        "Incorrect",
        "Incorrect",
        "Incorrect",
        "Incorrect",
        "Incorrect",
        "Incorrect",
        "Incorrect",
      ];

      var n = 0;
      n++;
      var s = 0;
      s++;
      var randomNumber = 0; // New variable defined
      var quesFilled = []; // array for already answer ques order no.
      //changes in below funtion
      function begin001() {
        disappear001.innerHTML = "";
        message001.innerHTML = "";
        randomNumber = Math.floor(Math.random() * 19); //Random number from 0 to 9
        // Check if a randomnumber exists in the quesFilled array
        function shuffle(arra1) {
          var ctr = arra1.length,
            temp,
            index;
          // While there are elements in the array
          while (ctr > 0) {
            // Pick a random index
            index = Math.floor(Math.random() * ctr);
            // Decrease ctr by 1
            ctr--;
            // And swap the last element with it
            temp = arra1[ctr];
            arra1[ctr] = arra1[index];
            arra1[index] = temp;
          }
          return arra1;
        }
        var myArray = [
          a1[randomNumber],
          a2[randomNumber],
          a3[randomNumber],
          a4[randomNumber],
        ];
        shuffle(myArray);

        if (n > 20) {
          end001();
        } else {
          question001.innerHTML = q[randomNumber];
          option001.innerHTML = myArray[0];
          option002.innerHTML = myArray[1];
          option003.innerHTML = myArray[2];
          option004.innerHTML = myArray[3];
          number001.innerHTML = n++;
          quesFilled.push(randomNumber); // push this to quesFilled array
          //below code to remove existing message from screen after click on next
          var correctmsg = document.getElementById("green001");
          var incorrectmsg = document.getElementById("red001");
          if (typeof correctmsg != "undefined" && correctmsg != null) {
            document.getElementById("green001").innerHTML = "";
          }
          if (typeof incorrectmsg != "undefined" && incorrectmsg != null) {
            document.getElementById("red001").innerHTML = "";
          }
        }
      }
      // Pass randomNumber variable in place of index 0
      function q1c() {
        answer001.innerHTML = "<div id=green001>" + c[randomNumber] + "</div>";
        option001.innerHTML = "";
        option002.innerHTML = "";
        option003.innerHTML = "";
        option004.innerHTML = "";
        next001.innerHTML =
          "<button class=buttons001 onclick=begin001()>Next</button>";
        score001.innerHTML = s++;
      }
      function Answer001() {
        var ans = corAns[randomNumber];
        answer001.innerHTML = "<div id=green001>" + ans + "</div>";
        option001.innerHTML = "";
        option002.innerHTML = "";
        option003.innerHTML = "";
        option004.innerHTML = "";
        next001.innerHTML =
          "<button class=buttons001 onclick=begin001()>Next</button>";
      }
      // Pass randomNumber variable in place of index 0
      function q1i() {
        answer001.innerHTML =
          "<div id=red001>" +
          i[randomNumber] +
          "<button class=buttons001 onclick=Answer001()>Answer</button>" +
          "</div>";
        option001.innerHTML = "";
        option002.innerHTML = "";
        option003.innerHTML = "";
        option004.innerHTML = "";
        next001.innerHTML =
          "<button class=buttons001 onclick=begin001()>Next</button>";
      }

      function end001() {
        message001.innerHTML = "End of Quiz.";
        question001.innerHTML = "";
        option001.innerHTML = "";
        option002.innerHTML = "";
        option003.innerHTML = "";
        option004.innerHTML = "";
        next001.innerHTML =
          "<div id=text001>" +
          "<button class=buttons001 onclick=repeat001()>Repeat</button>" +
          "</div>";
        answer001.innerHTML = "";
      }

      function repeat001() {
        location.reload();
      }
    </script>
  </body>
</html>

You can modify the above code as per your questions and answer requirement.

venereology answered 2 weeks ago

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