How to display correct score of a slide show quiz ?

Question

0.00/5 (No votes)

See more:

I have a multiple choice quiz for speed test. Each question appears
after every five seconds and then the next, like a slide show. The
timer runs simultaneously. The last page that appears is score summary.
I can't figure out how to show the correct score though I have written
codes for it. The summary page shows the score 0 each time.
Could you please help me. Thanks a lot.

What I have tried:

<body>

        <div id="container">
        <text> Time : <text id="time001"> 30 </text> </text> <br />
        <h1> Speed Test </h1>
        <button id="btn" onclick="begin001()"> Start </button>
    
         <form id="form">
         <div class="speed">
         <h2> Q.1 Who is the Prime Minister of India? </h2>
         <label> <input type="radio" name="q1" value="a" id="q1a"> Atal 
         Bihari </label> <br>
         <label> <input type="radio" name="q1" value="b" id="q1b"> 
         Narendra Modi </label> <br>
         <label> <input type="radio" name="q1" value="c" id="q1c"> 
         Rahul Gandhi </label> <br>
         <label> <input type="radio" name="q1" value="d" id="q1d"> 
         Soniya Gandhi </label> <br>
         </div>
    
          <div id="summary">
           <p> Score Summary </p>
           </div>
            </form>
           </div>
    </body>
    
    ```

         $('document').ready(function() {
         $(function() {
         $("#btn").click(function() {
         var interval = setInterval(function() {
         $("#form > div:first")
         .fadeIn(500)
         .next()
         .fadeOut(500)
         .end()
         .appendTo("#form");
          }, 5000);


```
          window.setTimeout(function() {
          clearInterval(interval);
          }, 35000);
          });
          });
          });


  ```

         function begin001() {
            c = 30;
         }
          var a = 0;
          a++;
          var b = 0;
          b++;
    
    ```
          function timer001() {
          c = c - 1;
          if (c < 30)
    
            {
                time001.innerHTML = c;
            }
    
            if (c < 1)
    
            {
                window.clearInterval(update);
    
            }
    
          }
    
          update = setInterval("timer001()", 1000);
    
    
    ```
    
          var q1 = document.getElementById("form")["q1"].value;
          var q2 = document.getElementById("form")["q2"].value;
          var q3 = document.getElementById("form")["q3"].value;
          var q4 = document.getElementById("form")["q4"].value;
          var q5 = document.getElementById("form")["q5"].value;
    
    ```
    
          var answers = ["b", "c", "a", "d", "c"];
          var score = 0;
          var total = 5;
          if (q1 == answers[0]) {
            score++
          }
          if (q2 == answers[1]) {
            score++
          }
          if (q3 == answers[2]) {
            score++
          }
          if (q4 == answers[3]) {
            score++
          }
          if (q5 == answers[4]) {
            score++
          }
    
    ```
          var result = document.getElementById("summary");
          result.innerHTML = "<p><p> You scored "+score+" out of "+total+" </p> 
          </p>";
    
    ```
          Expected: You scored 2 out of 5.
    
          Currently showing: You scored 0 out of 5.'

Posted 20-Apr-19 12:03pm

Tarun Rathore

Updated 21-Apr-19 8:23am

v2

Add a Solution

2 solutions

Solution 2

Quote:
Expected: You scored 2 out of 5.
Currently showing: You scored 0 out of 5.

This step is debugging, replace the timer thing with a button and use the debugger to see what is going on inside your page.

Your code do not behave the way you expect, or you don't understand why !

There is an almost universal solution: Run your code on debugger step by step, inspect variables.
The debugger is here to show you what your code is doing and your task is to compare with what it should do.
There is no magic in the debugger, it don't know what your code is supposed to do, it don't find bugs, it just help you to by showing you what is going on. When the code don't do what is expected, you are close to a bug.
To see what your code is doing: Just set a breakpoint and see your code performing, the debugger allow you to execute lines 1 by 1 and to inspect variables as it execute.

Debugger - Wikipedia, the free encyclopedia[^]

Mastering Debugging in Visual Studio 2010 - A Beginner's Guide[^]
Basic Debugging with Visual Studio 2010 - YouTube[^]

JavaScript Debugging[^]
Chrome DevTools | Web | Google Developers[^]

The debugger is here to only show you what your code is doing and your task is to compare with what it should do.

Posted 21-Apr-19 8:24am

Patrice T

Add a Solution

Add your solution here

Treat my content as plain text, not as HTML

Preview 0

…

Existing Members

Sign in to your account

...or Join us

Download, Vote, Comment, Publish.

Your Email
Password
Forgot your password?

Your Email
This email is in use. Do you need your password?
Optional Password

I have read and agree to the Terms of Service and Privacy Policy
Please subscribe me to the CodeProject newsletters

When answering a question please:

Read the question carefully.
Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem. Insults are not welcome.
Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question.

Let's work to help developers, not make them feel stupid.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Dave Kreskowiak · Accepted Answer · 2019-04-20T12:47:00

Solution 1

That is a symptom of mixed quotes in the line that shows that message. Change the ' characters to "

Posted 20-Apr-19 12:47pm

Dave Kreskowiak

Comments

Tarun Rathore 20-Apr-19 19:57pm

Please a little elaboration.

Dave Kreskowiak 20-Apr-19 20:50pm

You've got mismatched quotes. You started the string literal with a " character, then tried to put the score in the string with ' + score + '. The single quotes do not pair up with the double quote that you started the literal with. You cannot mix them!

result.innerHTML = "<p> You scored '+score+' out of '+total+ '</p>";

becomes:

result.innerHTML = "<p> You scored "+score+" out of "+total+ "</p>";

Tarun Rathore 21-Apr-19 14:09pm

Thanks a lot for your help, but the problem still exists. Score 0 each time.

Dave Kreskowiak 21-Apr-19 19:54pm

You modified the question and changed the problem description. What I told you was accurate to the previous version of the question.