Comments on: Auto growing textareas http://assanka.net/content/tech/2009/05/04/auto-growing-textareas/ Just another Arb-assk2009003.turmeric.assanka.com Blogs weblog Fri, 25 Nov 2011 16:18:40 +0000 http://wordpress.org/?v=2.9.2 hourly 1 By: James Wheare http://assanka.net/content/tech/2009/05/04/auto-growing-textareas/comment-page-1/#comment-53 James Wheare Mon, 08 Nov 2010 22:09:00 +0000 http://assanka.net/content/tech/?p=3#comment-53 Here's some better docs for oninput http://help.dottoro.com/ljhxklln.php Here’s some better docs for oninput http://help.dottoro.com/ljhxklln.php

]]> By: James Wheare http://assanka.net/content/tech/2009/05/04/auto-growing-textareas/comment-page-1/#comment-52 James Wheare Mon, 08 Nov 2010 22:06:25 +0000 http://assanka.net/content/tech/?p=3#comment-52 To get around the pasting issue (which is made worse when you paste with no keyboard interaction at all, e.g. Edit menu or right-click.) there are a couple of other events you can use. The non-standard onpaste event which works for everyone except Opera: https://developer.mozilla.org/en/DOM/element.onpaste Or much better, HTML5's oninput event which works for everyone except IE (though onpropertychanged might help there): https://developer.mozilla.org/en/XUL/Attribute/oninput http://msdn.microsoft.com/en-us/library/ms536956(VS.85).aspx In my quick testing it seems onpaste is fired before the textarea's value is updated, but oninput fires after, so that's probably the main one to rely on, as long as IE can be tamed. To get around the pasting issue (which is made worse when you paste with no keyboard interaction at all, e.g. Edit menu or right-click.) there are a couple of other events you can use.

The non-standard onpaste event which works for everyone except Opera:
https://developer.mozilla.org/en/DOM/element.onpaste

Or much better, HTML5’s oninput event which works for everyone except IE (though onpropertychanged might help there):
https://developer.mozilla.org/en/XUL/Attribute/oninput
http://msdn.microsoft.com/en-us/library/ms536956(VS.85).aspx

In my quick testing it seems onpaste is fired before the textarea’s value is updated, but oninput fires after, so that’s probably the main one to rely on, as long as IE can be tamed.

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