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Firefox form checking

GoneShootin

Lew

I have some javascript checking form values for blank entries and so on, but it's not working with Firefox

I could use the processing PHP page to check the values that were just sent in, but I think its better to have the info displayed immediately on the entry page rather than having to wait for processing by the next page.

Nehoo, the script (in the <head> tags): formApply being the name of the form, and so on.

<script language="JAVASCRIPT">

function validate() {

if(formApply.firstName.value == "")
{
alert("Please complete all required fields.");
return false;
}

if(formApply.surName.value == "")
{
alert("Please complete all required fields.");
return false;
}

if(formApply.telephone.value == "")
{
alert("Please complete all required fields.");
return false;
}

if(formApply.email.value == "")
{
alert("Please complete all required fields.");
return false;
}

if(formApply.emailCheck.value == "")
{
alert("Please complete all required fields.");
return false;
}

if(formApply.email.value != formApply.emailCheck.value)
{
alert("Emails do not match");
return false;
}

if(formApply.uploadedfile.value == "")
{
alert("Please complete all required fields.");
return false;
}

return true;
}
</script>

So why wont it work with foxy ?

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hostyle

GoneShootin wrote:

So why wont it work with foxy ?

Because its written using IE-specific code. Use the DOM!

Something like this (untested and OTOH):

if(document.forms['formApply'].elements['email'].value != document.forms['formApply'].elements['emailCheck'].value)
{
alert("Emails do not match");
return false;
}

After testing it, the above works just fine, but heres a more complete version, just cause I was bored.

<script type="text/javascript">
<!-- 

function validate() {
	if (document.forms['formApply'].elements['email'].value != document.forms['formApply'].elements['emailCheck'].value) {
		alert("Emails do not match");
		return false;
	}
}

function assignEvent() {
	if (document.getElementById) {
		var newloc = document.getElementById('formApply');
		if (newloc) {
			newloc.onsubmit = validate;
		}
	}
}

window.onload = function() {
	assignEvent();
}

// -->
</script>

<form name="formApply" id="formApply" method="post" action="whatever.php">
	<input type="text" name="email" value="" />
	<input type="text" name="emailCheck" value="" />
	<input type="submit" name="action" value="Do it!" />
</form>

rsynnott

GoneShootin wrote:

Lew

I have some javascript checking form values for blank entries and so on, but it's not working with Firefox I could use the processing PHP page to check the values that were just sent in, but I think its better to have the info displayed immediately on the entry page rather than having to wait for processing by the next page.

Client-side validation is never a substitute for server-side validation; it's just a convenience. Do both.