[SOLVED] large radio button form submit

chriscant · #1 Oct 24th, 2007, 14:41

Hi guys i need some advice on how to get my javascript running correctly

I have a large HTML radio button form with multiple radio button groups (40 groups 4 radio buttons per group), i have a javascript funtion which will check the radio buttons once the submit button is pressed however the code never gets past the first radio button, i dont know how to change the code so that it will dispaly all the results from the quiz.
Any help would be greatly appreciated
File attatched.

Lucleonhart · #2 Oct 24th, 2007, 15:28

You have to use "document.form1.question1[0].checked". So just add "document." in front of all form1!

You should also change the action pointing to the JavaScript. Use
action="" OnSubmit="checkAnswers();"

Have fun!

chriscant · #3 Oct 25th, 2007, 08:08

sadly that did not work it still only displayed the result of the first question

Rakuli · #4 Oct 25th, 2007, 08:15

You should create an array with your answers and then cycle through the array.

Here's a start...

Code: Select all

function checkAnswers()
{
var answers = new Array(0, 1, 3, 2, 2, 2, 3, 1, 3, 2);

for (i = 1; i <= answers.length; i++)
{
	if (form1['question' + i][answers[i-1]].checked)
		document.write("Question " + i + " : correct");
	else
		document.write("Question " + i + " : incorrect");
}
}

chriscant · #5 Oct 25th, 2007, 08:38

again sadly only the first result is printed, ive attatched the page with the new code

Rakuli · #6 Oct 25th, 2007, 08:44

Of course! Silly me!

Try this

Code: Select all

function checkAnswers()
{
var answers = new Array(0, 0, 2, 3, 2, 1, 1, 2, 3, 0, 2, 0, 2, 0, 1, 3, 1, 2, 2, 0, 1, 3, 2, 3, 0, 1, 3, 1, 2, 2, 1, 3, 0, 1, 1, 3, 3, 1, 1, 2);

var answerString = '';
for (i = 1; i <= answers.length; i++)
{
	if (form1['question' + i][answers[i-1]].checked)
		answerString += "Question " + i + " : correct";
	else
		answerString += "Question " + i + " : incorrect";
}

document.write(answerString);
}

Everytime you call document.write, the page is destroyed so you have to store to a string first.

chriscant · #7 Oct 25th, 2007, 08:48

Thank you sooooooo much that has annoyed me for a day (im not the best at programming lol

)

I owe you a pint

Rakuli · #8 Oct 25th, 2007, 09:03

No problems, everyone started programming somewhere

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[SOLVED] large radio button form submit