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Editorial Team
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Asked: 2026-05-21T15:00:14+00:00

Do both of these media attributes values mean the same thing below? If not

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Do both of these media attributes values mean the same thing below? If not what does each mean? And are they both valid?

<source src="music.mp3" media="screen, (color)">
<source src="music.mp4" media="screen and (color)">
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  1. Editorial Team

    http://dev.w3.org/csswg/css3-mediaqueries/

    They are not equivalent. The comma means OR, not AND. An and in the query means both sides of the test must be true to match. ie:

    screen, (color) = is a screen or anything that supports color
screen and (color) = is a color screen
projection, screen and (color) = is any type of projector OR a color screen
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