function score(form) {
     var correct = 0;
     var incorrec = "";

     // answers.length is the number of answers
     for (i = 1; i < answers.length + 1; i++) {
          var count = 0;
                 var numChecked = 0;

          for (j = 0; j < eval("form.Q" + i).length; j++) {
              var field = eval("form.Q" + i )[j];

              if (field.checked) {
                    numChecked++;
                    // Since the answers array is an array of arrays,
                     // the individual arrays, in answers, themselves have certain lengths
                     // that correspond to the number of answers for that particular question
                    for (k = 0; k < answers[i - 1].length; k++) {
                         // answers is an array of arrays
                          // answers[4 - 1] => a4 => ("a", "d", "e")
                          // answers[4 - 1][1] = > a4[1] => "d"
                          if (field.value == answers[i - 1][k]) count++;
               }
          }

          if (numChecked != count) count = -1;
          if (count == eval("a" + i).length) correct++;
          else incorrec += "Q" + i + " ";
     }

function showAnswers(form) {
     for (i = 1; i < answers.length + 1; i++) {
          for (j = 0; j < eval('form.Q' + i).length; j++) {
              var field = eval("form.Q" + i )[j];

               field.checked = false;

               for (k = 0; k < answers[i - 1].length; k++) {
                    // answers is an array of arrays
                    // answers[4 - 1] => a4 => ("a", "d", "e")
                    // answers[4 - 1][1] = > a4[1] => "d"
                    if (field.value == answers[i - 1][k]) field.checked = true
               }
          }
     }

</SCRIPT>

CONVENTIONS:

• Question is 1 is named Q1 & Question 2 is named Q2, etc...
• Qx are arrays, they use checkboxes or radio buttons
• The values for the fields are a, b, c, d, e depending on the number fields

<FORM NAME="quiz">
<OL>
    <LI>if minutes = 9 & timeSt = ((minutes < 10) ? ":0" : ":") + minutes;
            Then timeSt equals</LI>
        <INPUT TYPE="radio" NAME="Q1" VALUE="a"> A. :0<BR>
        <INPUT TYPE="radio" NAME="Q1" VALUE="b"> B. :09<BR>
        <INPUT TYPE="radio" NAME="Q1" VALUE="c"> C. :9<BR>
        <INPUT TYPE="radio" NAME="Q1" VALUE="d"> D. 9</P>

    <LI>The prompt() method requires two pieces of information.
            The first is text to be displayed, and the second is the default data in the entry field.</LI>
        <INPUT TYPE="radio" NAME="Q2" VALUE="a"> A. true<BR>
        <INPUT TYPE="radio" NAME="Q2" VALUE="b"> B. false </P>

etc...

    <LI>Which of the following are legal variable names?</LI>
        <INPUT TYPE="checkbox" NAME="Q10" VALUE="a">A. _dummy<BR>
        <INPUT TYPE="checkbox" NAME="Q10" VALUE="b">B. v13<BR>
        <INPUT TYPE="checkbox" NAME="Q10" VALUE="c">C. 13v<BR>
        <INPUT TYPE="checkbox" NAME="Q10" VALUE="d">D. A9</P>
</OL>

You have: <INPUT TYPE="text" NAME="correct"> answers correct out of a possible ten.

The question numbers that were not correct are:
    <INPUT TYPE="text" NAME="incorrec" SIZE="50">

THE BUTTONS:

• Get Score - calls the score function which "grades" the quiz. NOTE: it passes the "Entire Form" to function.
• Show Answers - calls the showAnswers() which displays the correct answer(s) for each question. NOTE: it passes the "Entire Form" to function.

    <INPUT TYPE="button" VALUE="Get Score" onClick="score(this.form)">
    <INPUT TYPE="button" VALUE="Show Answers" onClick="showAnswers(this.form)">
    <INPUT TYPE="reset" VALUE="Reset">
</FORM>