https://html.spec.whatwg.org/multipage/embedded-content.html#the-img-element currently requires: The src attribute must be present, and must contain a valid non-empty URL potentially surrounded by spaces referencing a non-interactive, optionally animated, image resource that is neither paged nor scripted. and The srcset attribute may also be present, and is a srcset attribute. In other words, a va
Standard Schema is a common interface designed to be implemented by JavaScript and TypeScript schema libraries. The goal is to make it easier for ecosystem tools to accept user-defined type validators, without needing to write custom logic or adapters for each supported library. And since Standard Schema is a specification, they can do so with no additional runtime dependencies. Integrate once, va
Source map format specification Stage 0: Strawman, 9 December 2024 This version: https://tc39.es/ecma426/ Previous Versions: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit?pli=1# Test Suite: https://github.com/tc39/source-map-tests Issue Tracking: GitHub Issues Inline In Spec Editor: Asumu Takikawa (Igalia) Former Editors: Victor Porof (Google) John Lenz (Goog
It’s come up quite a few times recently that the world of people who make websites would greatly benefit from the CSS Working Group officially defining ”CSS 4”, and later “CSS 5“, etc. Chris Coyier wrote: CSS3, and perhaps to a larger degree, "HTML5", became (almost) household names. It was so successful, it's leaving us wanting to pull that lever again. It was successful on a ton of levels: • It
RFC 9557 Date and Time on the Internet: Timestamps with Additional Information Abstract This document defines an extension to the timestamp format defined in RFC 3339 for representing additional information, including a time zone.¶ It updates RFC 3339 in the specific interpretation of the local offset Z, which is no longer understood to "imply that UTC is the preferred reference point for the spec
Hi, I’m Mark Nottingham. I write about the Web, protocol design, HTTP, Internet governance, and more. This is a personal blog, it does not represent anyone else. Find out more. Comments? Let's talk on Mastodon. @mnot@techpolicy.social other Standards posts Series: The Nature of Internet Standards RFC 9518 - What Can Internet Standards Do About Centralisation? Tuesday, 19 December 2023 RFC 8890 - T
The HTTP QUERY Method Abstract This specification defines a new HTTP method, QUERY, as a safe, idempotent request method that can carry request content.¶ Editorial Note This note is to be removed before publishing as an RFC.¶ Discussion of this draft takes place on the HTTP working group mailing list (ietf[email protected]), which is archived at https://lists.w3.org/Archives/Public/ietf-http-wg/.¶ W
An open file format for infinite canvas data. Infinite canvas tools are a way to view and organize information spatially, like a digital whiteboard. Infinite canvases encourage freedom and exploration, and have become a popular interface pattern across many apps. The JSON Canvas format was created to provide longevity, readability, interoperability, and extensibility to data created with infinite
That should be corrected if anyone invents a time machine. :P
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