The `id` attribute got more `class`y in HTML5
Read OriginalThe article details a key change in HTML5 where the `id` attribute's naming rules are relaxed to match those of the `class` attribute. It explains the specific character restrictions in HTML 4.01 versus the more permissive rules in HTML5, allowing IDs to contain symbols, emojis, and even complex strings. It also touches on the practical implications for CSS and JavaScript when targeting these unconventional IDs.
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