10 Things I Didn't Know About HTML
summary
Shows that legacy color parsing is standardized in HTML5 and demonstrates a web tool that maps arbitrary words to the exact browser color, explains validators only check two of three conformance layers, provides a concrete fix: use input event instead of keyup/keydown for responsive typing, demos an empty HTML via HTTP Link header that only works in Opera 12 and Firefox, points to punycode JS ucs2decode for correct Unicode grapheme counts, and ships small utilities for font‑family, unquoted-attribute and JS-identifier validation.
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chapters (17)
- 0:00Start
- 2:12Background colors
- 9:30DTD fail
- 10:23Computer says no
- 10:49Take-away
- 13:47Character references
- 17:04is U+0085, right?
- 17:21Nope, not in HTML!
- 18:34Valid HTML
- 21:07CSS without HTML
- 24:57Attribute values
- 30:14JavaScript string length
- 30:44String length char count
- 31:35Surrogate pairs
- 31:53JS string character count
- 32:54Which is invalid?
- 34:03JS variable names
