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What is wrong with this?


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#1
A Train

A Train

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This is what I have for my webpage quiz. Can somebody tell me what is wrong? At the bottom of the page when I click on 'get score' it comes up with error on page.

Anybody?


<html>
<head>
<title>Sports injuries</title>
<LINK REL="stylesheet" TYPE="text/css" HREF="WCcss.css">
<script language="JavaScript">
<!--

var numQues = 10;
var numChoi = 4;

var answers = new Array(10);
answers[0] = "3";
answers[1] = "Compression";
answers[2] = "Direct injuries";
answers[3] = "400+";
answers[4] = "Cardiac muscle";
answers[5] = "30 Seconds";
answers[6] = "Above heart";




function getScore(form) {
var score = 0;
var currElt;
var currSelection;

for (i=0; i<numQues; i++) {
currElt = i*numChoi;
for (j=0; j<numChoi; j++) {
currSelection = form.elements[currElt + j];
if (currSelection.checked) {
if (currSelection.value == answers[i]) {
score++;
break;
}
}
}
}

score = Math.round(score/numQues*100);
form.percentage.value = score + "%";

var correctAnswers = "";
for (i=1; i<=numQues; i++) {
correctAnswers += i + ". " + answers[i-1] + "\r\n";
}
form.solutions.value = correctAnswers;

}

// -->
</script>



<font class="normal" color="black">
<form name="quiz">
1. How many different <b>types</b> of muscles does your body have?<br>
<input type="radio" name="q1" value="1">1 <br>
<input type="radio" name="q1" value="2">2<br>
<input type="radio" name="q1" value="3">3<br>
<input type="radio" name="q1" value="4">4<br>
<p>

2. What does 'C' stand for in RICE?
<br>
<input type="radio" name="q2" value="Low Frequency Wave">Contact<br>
<input type="radio" name="q2" value="Transverse Wave">Consume<br>
<input type="radio" name="q2" value="High Frequency Wave">Compression<br>
<input type="radio" name="q2" value="Longitudinal wave "> Cartilage<br>
<p>

3. What injury results from a blunt trauma?<br>
<input type="radio" name="q3" value="Direct injuries">Direct injuries<br>
<input type="radio" name="q3" value="Indirect injuries">Indirect injuries<br>
<input type="radio" name="q3" value="Acute injuries">Acute injuries<br>
<input type="radio" name="q3" value="Chronic injuries">Chronic injuries<br>
<p>

4. How many muscles does your body have?<br>
<input type="radio" name="q4" value="We hear louder sound">20-30<br>
<input type="radio" name="q4" value="We hear higher pitched sound">100-200<br>
<input type="radio" name="q4" value="We hear lower pitched sound">400+<br>
<input type="radio" name="q4" value="We hear quiter sound">200-300<br>
<p>

5. What is your heart musscle called?<br>
<input type="radio" name="q5" value="Gracilis muscle">Gracilis muscle<br>
<input type="radio" name="q5" value="Cardiac muscle">Cardiac muscle<br>
<input type="radio" name="q5" value="Sartorius muscle">Sartorius muscle<br>
<input type="radio" name="q5" value="Soleus muscle">Soleus muscle<br>
<p>

6. What is the best amount of time to stretch each muscle for?<br>
<input type="radio" name="q6" value="Infrasound">10 Seconds<br>
<input type="radio" name="q6" value="Ultrasound">15 Seconds<br>
<input type="radio" name="q6" value="Gammasound">20 Seconds<br>
<input type="radio" name="q6" value="Deltasound">30 Seconds<br>
<p>

7. How high should you raise an injury?<br>
<input type="radio" name="q7" value="Above knee level">Above knee level<br>
<input type="radio" name="q7" value="Above shoulder">Above shoulder<br>
<input type="radio" name="q7" value="Above heart">Above heart<br>
<input type="radio" name="q7" value="Above the injury">Above the injury<br>
<p>



<input type="button" value="Get score" onClick="getScore(this.form)">
<input type="reset" value="Clear"><p>
Score = <input type=text size=15 name="percentage"><br>
Correct answers:<br>
<textarea name="solutions" wrap="virtual" rows="4" cols="40"></textarea>
</form>
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#2
puterman

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Try this, it appears you have a value of 10 questions but your quiz only has 7. make the following changes in your code and it should work.


var numQues = 7;
var numChoi = 4;

var answers = new Array(7);
answers[0] = "3";
answers[1] = "Compression";
answers[2] = "Direct injuries";
answers[3] = "400+";
answers[4] = "Cardiac muscle";
answers[5] = "30 Seconds";
answers[6] = "Above heart";


Let me know if all works out.

Joe V aka Puterman
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#3
A Train

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Oh well done, that fixed it. I had coppied it from my last quiz and must have missed that.

Thanks,
Aaron
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#4
puterman

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My pleasure, glad I could lend a hand! Sometimes it is easier to find the little things with fresh eyes. I am sure after a good nights sleep it would have jumped out at you.

Have a good one!

Joe V aka puterman
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#5
A Train

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You up for another problem? Heres hoping...

The score is all messed up, no matter what happens the % of the correct unswers is really low. Unrealisticly low.

Anybody?
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#6
puterman

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A Train,

If you look at your code, where you list the questions/answers, your values are not matching. Thus the script does not recognize the correct check mark cause the value of the answer does not match:

1. How many different <b>types</b> of muscles does your body have?<br>
<input type="radio" name="q1" value="1">1 <br>These are Correct
<input type="radio" name="q1" value="2">2<br>
<input type="radio" name="q1" value="3">3<br>
<input type="radio" name="q1" value="4">4<br>
<p>

2. What does 'C' stand for in RICE?
<br>
<input type="radio" name="q2" value="Low Frequency Wave">Contact<br>These do not match
<input type="radio" name="q2" value="Transverse Wave">Consume<br>
<input type="radio" name="q2" value="High Frequency Wave">Compression<br>
<input type="radio" name="q2" value="Longitudinal wave "> Cartilage<br>
<p>


Just go through your questions/answers and correct the values and all should work fine.

Joe V aka Puterman
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