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7.4

onChange event behaviour different in IE7/FF3 ?

Asked by patriceb in Dynamic HTML (DHTML), Internet Explorer Web Browser, JavaScript

Tags: JavaScript, IE7

Hi,

I ran a site for years using a javascript library for validating client-side forms and suddently with the arrival of IE7 and FF3, it looks like my validation is less effective.  After some research, I found out that this was coming in a change in behaviour from the onChange event handler.

For example: <input type="text" name="whatever" value="test" onchange="return false;">

In this case, in IE6 and FF2, the user was not able to change the value of the input field because the return false statement in the onChange event handler was preventing it.

In IE7 / FF3, the behaviour works for the first time the user tries to change the value, but if he tries a second time, it will be allowed.  Just like if the onChange trigger was fired and completed after the first time.

Does anyone have any idea of what is going on with this?

Thanks in advance for all your help.
[+][-]09/10/08 09:57 PM, ID: 22446427Expert Comment

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[+][-]09/11/08 04:50 AM, ID: 22448611Accepted Solution

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Zones: Dynamic HTML (DHTML), Internet Explorer Web Browser, JavaScript
Tags: JavaScript, IE7
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Solution Provided By: kayahr
Participating Experts: 1
Solution Grade: A
 
[+][-]09/11/08 04:59 AM, ID: 22448681Expert Comment

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