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onsubmit and or onclick

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youngApprentice

youngApprentice

Programmer
Jan 28, 2007
16
US
I'm wondering if you can set an onclick on an input type=image, with or without an onSubmit, to make an Ajax call to submit a form.

I'm using Prototype 1.5.1

Internet Explorer seems to be completely ignoring the onclick of an input type=image.

TIA,
youngApprentice
 
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Well... I knocked up a quick test page and then ran some tests.

The test page contains an input type=image - and for fun (because I'm like that) I added a second input type=image and added the disabled="disabled" attribute.

Here is the test page:
Code: 
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "[URL unfurl="true"]http://www.w3.org/TR/html4/strict.dtd">[/URL]
<html lang="en">
<head>
	<meta http-equiv="content-language" content="en">
	<meta http-equiv="content-type" content="text/html; charset=iso-8859-1">
	<title>Input Image Test</title>
	<script type="text/javascript">
		function wibble() {
			alert('Beep');
		}
	</script>
</head>
<body>
	<form action="javascript://do nothing" onsubmit="alert('The onsubmit event was just fired')">
		<fieldset>	
			<input type="image" onclick="wibble()" src="[URL unfurl="true"]http://www.tek-tips.com/images/logo.gif"/>[/URL]
			<br/>
			<input type="image" onclick="wibble()" src="[URL unfurl="true"]http://www.tek-tips.com/images/logo.gif""[/URL] disabled="disabled"/>
			</div>
		</fieldset>
	</form>
</body>
</html>
I found that when I clicked on the first image, I got the expected 'Beep' alert. I also got an alert from the onsubmit. When I clicked the second image, I got nothing -- and that surprised me (you know, I'm easily surprised)!

I confirmed this behaviour with the following browsers in MacOSX: Safari, Firefox, Camino, Internet Explorer, Opera, Mozilla and Netscape.

I went crazy and confirmed this behaviour with the following browsers in Windows: Firefox, Safari, Opera, Internet Explorer (5 & 6), Netscape.

So... cut your page down to the bare minimum to show this problem, and post it up for us.

Cheers,
Jeff


[tt]Jeff's Page [!]@[/!] Code Couch
[/tt]

Make sure your web page and css validates properly against the doctype you have chosen - before you attempt to debug a problem!

FAQ216-6094
 
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I ended up using prototype's Event.observe on my input type=image, as the onclick attribute was being generated on the fly with IE ignoring it. I'm not sure that prototype was "hijacking" the onclick.

-youngApprentice
 
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I imagine you were attempting to add the onclick as you were building up the nodes using javascript - am I right?

Regardless, the use of Prototypes methods is certainly the better option in this case.

Cheers,
Jeff


[tt]Jeff's Page [!]@[/!] Code Couch
[/tt]

Make sure your web page and css validates properly against the doctype you have chosen - before you attempt to debug a problem!

FAQ216-6094
 
Upvote 0 Downvote
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