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https://issues.apache.org/jira/browse/MYFACES-2649?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12854955#action_12854955
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Werner Punz commented on MYFACES-2649:
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Ok after checking the problem and investigating the spec, this is a bug in our
implementation, according to the jsdocs of the spec it says:
<static> jsf.util.chain(source, event)
A varargs function that invokes an arbitrary number of scripts. If any script
in the chain returns false, the chain is short-circuited and subsequent scripts
are not invoked. Any number of scripts may specified after the event argument.
Parameters:
source
The DOM element that triggered this Ajax request, or an id string of the
element to use as the triggering element.
event
The DOM event that triggered this Ajax request. The event argument is
optional.
Now your case causes an undefined value for the event object, which is
according to the jsdocs valid, and should not raise an error, I will fix this
immediately.
> Ajax chokes on script triggered onchange if input has onchange=""
> -----------------------------------------------------------------
>
> Key: MYFACES-2649
> URL: https://issues.apache.org/jira/browse/MYFACES-2649
> Project: MyFaces Core
> Issue Type: Bug
> Components: JSR-314
> Affects Versions: 2.0.0-beta-3
> Environment: Javascript
> Reporter: Ganesh Jung
> Attachments: MyFaces_Test.war
>
>
> If an ajaxified input has got onchange="" defined and a script triggers
> input.onchange() we get an error: "event must be defined or null"
> example:
> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
> "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd";>
> <html xmlns="http://www.w3.org/1999/xhtml";
> xmlns:f="http://java.sun.com/jsf/core";
> xmlns:h="http://java.sun.com/jsf/html";
> xmlns:ui="http://java.sun.com/jsf/facelets";>
> <h:head></h:head>
> <h:body>
> <h:form id="myForm">
> <h:inputText id="myTest1" value="#{myBean.test}"
> onchange="">
> <f:ajax render="myTest2" />
> </h:inputText>
> <h:inputText value="#{myBean.test}" id="myTest2" />
> <script type="text/javascript">
> //<![CDATA[
>
> document.getElementById("myForm:myTest1").onchange();
> //]]>
> </script>
> </h:form>
> </h:body>
> </html>
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