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New posts in w3c
How does ::selection's specificity work against type selectors?
Jul 29, 2019
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css-selectors
w3c
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What is the default width of an HTML table cell <td>?
Aug 18, 2022
css
html
html-table
w3c
CSS pointer-events and appearance properties not recognized by CSS Validator
Mar 09, 2022
css
w3c
css-validator
Allowed HTML 4.01 id values regex
Sep 03, 2022
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What is the limit of character to use in alt="text" according to WCAG 2.0?
Oct 18, 2022
css
xhtml
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HGROUP element removed from the HTML5 Specification. What alternative technique can be used instead?
Nov 01, 2021
html
w3c
semantic-markup
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DTD with RFDa and XHTML 1.0 Transitional support
Sep 28, 2022
xhtml
w3c
dtd
rdfa
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Why can you use new Image but not new Div or new Span?
Apr 04, 2022
javascript
html
w3c
Closing tag with ID property
Oct 26, 2022
html
closures
w3c
doctype
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Why does the Promise constructor need an executor?
Nov 17, 2022
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promise
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W3C validator says 'feed does not validate' 'url must be a full URL'... whats wrong with it?
Oct 15, 2022
url
rss
w3c
w3c-validation
rfc
How to overcome WhatWG/W3C/Chrome version 33.0.1750.146 "regression bug" with <input type="number"/> fields
Feb 04, 2022
javascript
google-chrome
w3c
html-input
soft-keyboard
Why was the xmp HTML tag deprecated? [duplicate]
Sep 24, 2022
html
deprecated
w3c
HTTP Cookie expire time (average, maximum, ...)
Mar 07, 2022
http
cookies
max
w3c
Node.TEXT_NODE and IE7
Nov 09, 2021
dom
internet-explorer-7
standards
w3c
The Media Capture API - any existing implementations?
Aug 24, 2013
javascript
html
w3c
Fallback for CSS attributes without unit
Nov 27, 2021
html
css
cross-browser
w3c
W3C HTML validation for React JSX files
Jul 26, 2016
html
validation
reactjs
w3c
react-jsx
What's the difference between BlobBuilder and the new Blob constructor?
Sep 10, 2022
javascript
html
webkit
w3c
Can a label only refer to input elements?
Sep 10, 2022
html
label
w3c
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