w3c Examples and Free Source Code

Difference between <acronym> and <abbr>?...

html w3c specifications acronym abbr

Can a multi-part message contain raw binary content?...

http binary multipart w3c

The ManagedMediaSource API does not render content...

javascript safari mobile-safari w3c media-source

Where do you suggest that keyboard constants be added to Javascript?...

javascript w3c

Why is 'green' in the HTML colour name spec equivalent to #008000?...

html css colors w3c

How to consume W3C EBNF-Notation and produce a parser generator?...

parsing rdf w3c ebnf

What language types are allowed in the HTML script tag?...

html w3c script-tag

When we should use <dl> over <ul>?...

css xhtml w3c semantic-markup screen-readers

PHP image upload issue. Uploads images that are web optimised but not the original image...

php html ajax file-upload w3c

XHTML Strict 1.0 - target="_blank" not valid?...

html validation target w3c xhtml-1.0-strict

Why are margin/padding percentages in CSS always calculated against width?...

w3c css

What are the correct xs:ID allowable id names?...

xml xsd xsd-validation w3c xml-validation

Why does the async loop `File.stream().getReader().read()` may block main thread?...

javascript html dom w3c

is form enctype "application/json" available?...

html json forms post w3c

What does mean Sync/Async in event table...

javascript dom events w3c

Why does the W3C advise wrapping input elements in <p> tags?...

html forms w3c semantic-markup

Wrapping a paragraph inside a heading behaves different in an iframe vs directly in the page...

html iframe browser chromium w3c

What are best practices to order elements in <head>?...

html css xhtml w3c

Why does a PRE element with newlines do not produce blank lines in the output?...

html newline whitespace w3c

How does HTML parser interact with Speculative parser...

html html-parsing specifications w3c

Android CredentialManager: GetCredentialResponse error returned from framework...

android kotlin w3c passkey android-credential-manager

Autocomplete off vs false?...

html google-chrome autocomplete w3c

How to find all (possibly relative) urls on a website?...

html regex url web-scraping w3c

HTML element's textContent and value unnecessarily different...

javascript html w3c

convert dom4j docment to W3c document...

java xml w3c dom4j

Why doesn't Edge Support AVIF images?...

html browser microsoft-edge w3c avif

Are void elements and empty elements the same?...

html w3c

The number of digits of DID(Decentralized Identifier)...

w3c decentralized-identifiers

Differences between validator.w3.org and jigsaw.w3.org css validator?...

css validation w3c

Adding ID attribute to all HTML elements of a web application?...

html w3c w3c-validation web-standards