Looping Issue w/ Basic Quiz...

LayneMitch via WebmasterKB.com

Hello.

This is a basic quiz. Only about 3 questions. I'm having issue with the
answer key which stays on a certain value regardless of acknowledging that
you have the correct answer for the first and moving on to the next answer.

Here's the code:

Expand|Select|Wrap|Line Numbers

 
<html><head><title>Problem7</title>

<script type="text/javascript">
 
function attachHandlers()

{

var my_button = document.getElementById("sec_button");

my_button.onclick = checkAnswer;

}
 
function firstQuestion()

{

var the_box = document.getElementById("questions");

var first_ques = "what's the value of 5+4?";

the_stat = document.createTextNode(first_ques);

the_box.appendChild(the_stat);

}
 
function checkAnswer()

{

var the_questions = new Array();

the_questions[1] = "what's the value of 7+4?";

the_questions[2] = "what's the value of 9+6?";

the_questions[3] = "what's the value of 10+6?";
 
var the_key = new Array();

the_key[0] = "9";

the_key[1] = "11";

the_key[2] = "15";

the_key[3] = "16";
 
var the_field = document.getElementsByTagName("input")[0];
 
var i=0;

while(i < the_key.length)

{
 
if (the_field.value==the_key[i])

{

alert("Very Good");

i++;

}
 
else

{

alert("Please try again");

return

}
 
the_field.value="";

var the_div = document.getElementById("questions");

the_div.innerHTML="";

var text_node = document.createTextNode(the_questions[i]);

the_div.appendChild(text_node);

}
 
}

</script></head>

<body onLoad="attachHandlers(); firstQuestion();">

<div id = "questions"></div>

<input type="text" id="answerfield" size="20"><br>

<input type="button" value="check" id="sec_button">

</body>

</html>

The answer key is staying on one value then checking it without me hitting
the button....

I know it's probably a simple step missing, but I can't seem to find it.

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Aug 27 '08 #1

Subscribe Reply

1384

SAM

LayneMitch via WebmasterKB.com a Ã©crit :

>
Here's the code:

(snip) (see previous post)

The answer key is staying on one value then checking it without me hitting
the button....

yes the 'while' continues its job

I know it's probably a simple step missing, but I can't seem to find it.

without a reference (globale one) I don't see how to do.

There is how I'ld do :

<html><head><ti tle>Problem7</title>
<script type="text/javascript">

var i=0;
var the_questions = new Array();
the_questions[0] = "what's the value of 5+4?";
the_questions[1] = "what's the value of 7+4?";
the_questions[2] = "what's the value of 9+6?";
the_questions[3] = "what's the value of 10+6?";

var the_key = new Array();
the_key[0] = "9";
the_key[1] = "11";
the_key[2] = "15";
the_key[3] = "16";

function attachHandlers( )
{
var my_form = document.getEle mentById("quiz" );
my_form.onsubmi t = function() { return checkAnswer(); };
}

function Question()
{
var the_field = document.getEle mentById("answe rfield");
the_field.value ="";
var the_div = document.getEle mentById("quest ions");
the_div.innerHT ML="";
var text_node = document.create TextNode(the_qu estions[i]);
the_div.appendC hild(text_node) ;
}

function checkAnswer()
{
var the_field = document.getEle mentById("answe rfield");

if (the_field.valu e==the_key[i])
{
alert("Very Good");
i++;
if( i<the_key.lengt h ) Question();
}
else
{
alert("Please try again");
}

the_field.focus ();
the_field.selec t();
return false;
}
</script></head>
<body onload="attachH andlers(); Question();">
<p id = "questions" ></p>
<form id="quiz" action="#" >
<input type="text" id="answerfield " size="20"><br>
hit key [Enter] or this button: <input type="submit" value="check">
</form></body></html>

--
sm

Aug 27 '08 #2

LayneMitch via WebmasterKB.com

SAM wrote:

>LayneMitch via WebmasterKB.com a Ã©crit :

Appreciate the response...the problem is solved. Thanks once again.

--
Message posted via http://www.webmasterkb.com

Aug 28 '08 #3

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