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Subject:	Re: Disabling HTML form button if any changes made to an edit box?
Newsgroups:	lugnet.publish.html
Date:	Mon, 2 Jun 2003 11:16:53 GMT
Viewed:	2455 times

On Mon, Jun 02, 2003 at 05:20:56AM +0000, Todd Lehman wrote: > p.s. The application here is that I want to prevent accidental > posting of messages where the user has forgotten to preview the > message. After Preview is clicked and the preview is displayed, the > Post button should be enabled. But if any changes are made, then the > Post button should be immediately disabled. why use JS? just combine the post and preview button to one, and detect on the server if the data was changed. If it was, preview, if it wasn't (matches a CRC in a hidden form element), it posts. -- Dan Boger dan@peeron.com

Message has 2 Replies:

		Re: Disabling HTML form button if any changes made to an edit box?
(...) Sounds great in theory, and I think the CRC is a great fallback check if JS isn't available, and I like that the CRC method is forgiving of undone changes... But if there were only one button, what would you label it? "Preview or Post"? One (...) (21 years ago, 2-Jun-03, to lugnet.publish.html)

		Re: Disabling HTML form button if any changes made to an edit box?
(...) You don't even need the CRC. Do what you said on the message edit page about combining post & preview so that there is only preview, but then on the Message Preview page remove the whole lower section containing the message edit box, preview (...) (21 years ago, 2-Jun-03, to lugnet.publish.html)

Message is in Reply To:

		Disabling HTML form button if any changes made to an edit box?
This must be easy with JavaScript, right?-- I'd like to disable a submit button (turn it gray out and non-clickable) in an HTML form if the user changes any data in an editable text field within the form. The editable text fields are of type <INPUT (...) (21 years ago, 2-Jun-03, to lugnet.publish.html, FTX)

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