When is the callback on a textarea triggered?

[Terrence Brannon]

After reading [Callbacks and Forms docs](http://www.nagare.org/trac/wiki/CallbacksAndForms) I still have a question. It is obvious when the action on an anchor or button is triggered: it is triggered when you click on it.

But what about a textarea or an input(type='text')? Is it triggered on each keypress? When you TAB out of the form? When submit is pressed for the whole form?

[Sylvain Prat]

The action is triggered when the server receives a request from the client browser: for anchors, it's when the anchor is clicked, for form elements, it's when the containing form is submitted. But if you need to update the view when a form element changes, you can register onchange/onkeypress/... callbacks for example. 

Sylvain

2015-05-13 20:14 GMT+02:00 Terrence Brannon <meta...@gmail.com>:

After reading [Callbacks and Forms docs](http://www.nagare.org/trac/wiki/CallbacksAndForms) I still have a question. It is obvious when the action on an anchor or button is triggered: it is triggered when you click on it.

But what about a textarea or an input(type='text')? Is it triggered on each keypress? When you TAB out of the form? When submit is pressed for the whole form?

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Sylvain PRAT
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