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Asked: 2026-06-09T07:52:52+00:00

width: attr(data-width); I want to know if there’s any way it’s possible to set

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width: attr(data-width);

I want to know if there’s any way it’s possible to set a css value using HTML5’s data- attribute the same way that you can set css content. Currently it doesn’t work.

HTML 

<div data-width="600px"></div>

CSS

div { width: attr(data-width) }
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1 Answer

  1. Editorial Team

    There is, indeed, prevision for such feature, look http://www.w3.org/TR/css3-values/#attr-notation

    This fiddle should work like what you need, but will not for now.

    Unfortunately, it’s still a draft, and isn’t fully implemented on major browsers.

    It does work for content on pseudo-elements, though.

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