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I apreciate If someone can help , I have detected that when you have fields in your form, created or received from CC list
you can locate in JavaScript without problems

a=$('field1')
b=$('model[field1]');

but when I read DB fields with model, for example "dbdata" i can see these arrays using debugging form tool and use them with PHP but not with JavaScript

PHP(ok)
$a=$form->data['dbdata']['field1'];

JS(fail)
a=$('dbdata[field1]'); always return null(?)😲


Is it posible pass variables from php enviroment to JavaScript enviroment, to use them?

Hi teldrive,

One of the problems is that [] aren't allowed in input ids (they are OK in names). JavaScript can only access data that is available in the browser and I'm not clear if your data is there. You could add it to hidden inputs in the form or just declare some JS variables in a Custom code action:

<?php
$doc = JFactory::getDocument();
$script = "
var dbdata = {
  'field1': '{$form->data['dbdata']['field1']}',
  'field2': '{$form->data['dbdata']['field2']}'
}
";
$doc->addScriptDeclaration($script);
?>