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It’s a part of the CSS spec. Not a part of JS or the DOM or HTML or anything else. Entirely CSS. You can only use it with JS. It’s not the only part of CSS that
by eyelidlessness 5y ago
It’s a part of the CSS spec. Not a part of JS or the DOM or HTML or anything else. Entirely CSS. You can only use it with JS. It’s not the only part of CSS that can only be used with JS, just a really unambiguous part to make the point.