crossorigin 属性の仕様を読み解く
本記事では HTML タグに指定可能な crossorigin 属性について仕様を参照しながら詳しく解説します。crossorigin 属性は複数の意味を表しており、またそれを指定するタグの他の属性値によって振る舞いが変わってしまうことから、その挙動を正確に理解するのがなかなか難しい属性です。 HTML 仕様は日々進化しています。本記事で説明している内容は記事執筆時点のものであり、閲覧時点では古くなっている可能性があります。正確な情報を知りたい方は必ず最新の仕様を確認するようお願いします。 要点だけを知りたい方は最後の「まとめ」を読んでください。 目次 crossorigin 属性はどこで使われている？ crossorigin 属性は何を意味するのか？ request mode credentials mode crossorigin 属性の意味のまとめ crossorigin 属性の振る
HTML Standard
8 Web application APIs8.1 Scripting8.1.1 Introduction8.1.2 Agents and agent clusters8.1.2.1 Integration with the JavaScript agent formalism8.1.2.2 Integration with the JavaScript agent cluster formalism8.1.3 Realms and their counterparts8.1.3.1 Environments8.1.3.2 Environment settings objects8.1.3.3 Realms, settings objects, and global objects8.1.3.3.1 Entry8.1.3.3.2 Incumbent8.1.3.3.3 Current8.1.
Infra Standard
Participate: GitHub whatwg/infra (new issue, open issues) Chat on Matrix Commits: GitHub whatwg/infra/commits Snapshot as of this commit @infrastandard Tests: web-platform-tests infra/ (ongoing work) Translations (non-normative): 日本語 简体中文 한국어 Abstract The Infra Standard aims to define the fundamental concepts upon which standards are built. Goals Deduplicate boilerplate in standards. Align standar
Top | Diff of HTMLs
Unofficial diff viewer for WHATWG HTML Standard and W3C HTML. The Diff of HTMLs provides side-by-side diff view of each section between the specifications. Table of contents (TOCs) of the HTML specifications Legends: A section available at WHATWG HTML Standard. A section available at W3C HTML. Note: This site modifies TOCs to reduce unnecessary diffs. The following TOCs are not equal to the specif
HTML�5 differences from HTML�4
About this specification This specification is like no other — it has been processed with you, the humble web developer, in mind. The focus of this specification is readability and ease of access. Unlike the full HTML Standard, this "developer's edition" removes information that only browser vendors need know. It is automatically produced from the full specification by our build tooling, and thus
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Document render blocking with a <link rel=expect> element by noamr · Pull Request #9970 · whatwg/html
Add <img> decoding="" attribute by vmpstr · Pull Request #3221 · whatwg/html
Require utf-8 when specifying character encoding by sideshowbarker · Pull Request #3091 · whatwg/html
consider removing support for multiple in <input type=range> · Issue #1520 · whatwg/html
GitHub - whatwg/mimesniff: MIME Sniffing Standard