Cleanup <button> element command attribute information #40810
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chrisdavidmills
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Aug 22, 2025
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Description
Chrome 139 adds support for the
request-closevalue of the<button>element'scommandattribute. See https://chromestatus.com/feature/5592399713402880.The value was already documented, but I took this opportunity to clean up the content and add some missing explanations and links.
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