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https://issues.apache.org/jira/browse/WICKET-5142?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13629978#comment-13629978
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Alexey Mukas commented on WICKET-5142:
--------------------------------------
Looks good
> Generating invalid JavaScript for ajax update
> ---------------------------------------------
>
> Key: WICKET-5142
> URL: https://issues.apache.org/jira/browse/WICKET-5142
> Project: Wicket
> Issue Type: Bug
> Components: wicket
> Reporter: Alexey Mukas
> Attachments: myproject.zip
>
>
> Suppose I have BlinkBehaviour
> public static class BlinkBehaviour extends Behavior {
> @Override
> public void renderHead(Component component, IHeaderResponse response)
> {
> AjaxRequestTarget target =
> component.getRequestCycle().find(AjaxRequestTarget.class);
> if (target != null) {
> target.prependJavaScript("notify|jQuery('#" +
> component.getMarkupId() + "').fadeOut(400, notify);");
>
> target.appendJavaScript("jQuery('#"+component.getMarkupId()+"').fadeIn(400);");
>
> }
> }
> }
> If I add it twice to a control and update the control via ajax 6.7.0-SNAPSHOT
> will yield error:
> ERROR: Wicket.Ajax.Call.processEvaluation: Exception evaluating javascript:
> SyntaxError: Unexpected token ), text: f = function(notify)
> {jQuery('#version2').fadeOut(400,
> notify);})();(function(){notify|jQuery('#version2').fadeOut(400, notify);};
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