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Where does the resize handle on browser textboxes come from? Is it a browser* implementation, or an HTML/CSS/JavaScript/etc. implementation?

Resize handle

Is it standardized across browsers/operating systems/frameworks/protocols/etc. in any way?

I notice that it's sometimes missing from textboxes -- like Superuser's question textbox -- which leads me to believe there's some sort of HTML/CSS interaction factoring into play.

But maybe not.

*(For reference, I'm using Firefox v22 on Windows 7 x64)

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up vote 3 down vote accepted

This is a css programming part of the page and by default allow the resize on both horizontally and vertically.
To disable them all in a site you add this on the css of the page:

textarea {
    resize: none;
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Much obliged. What do you mean by "open"? An open standard? – Coldblackice Jul 1 '13 at 17:58
@Coldblackice The word "open" is not the correct. By default is resize:both meaning that allow to resize the text area. – Aristos Jul 1 '13 at 19:29

It is a part of CSS3 (CSS version 3). The resize property is supported in Firefox 4+, Chrome, and Safari.

You can read more about the resize property here and all other CSS property.

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The official standard is CSS Basic User Interface Module Level 3 (CSS3 UI) which is currently in working draft. Here is the relevant section: – Wk_of_Angmar Jul 2 '13 at 20:29
Based he's question, I would not ask him to read definitions. Therefore, I believe that is the best offer. ( offer try it, overview of browser support property, overview and explanation of the property and more. (You can compare w3 with w3s to see if there is some mistakes) – Diblo Dk Jul 2 '13 at 21:51

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