Groups
Work in progress. This page displays groups of features in a tree structure. Groups have not yet been finalized, expect frequent changes.
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Clipping, shapes and masking
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Credential management
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CSS
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Fonts
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Layout
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Media queries
- color-gamut media query
- display-mode media query
- dynamic-range media query
- Interaction media queries
- inverted-colors media query
- Media queries
- Media query range syntax
- Overflow media queries
- prefers-color-scheme media query
- prefers-contrast media query
- prefers-reduced-data media query
- prefers-reduced-motion media query
- prefers-reduced-transparency media query
- scripting media query
- Update frequency media query
- video-dynamic-range media query
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Selectors
- Active view transition
- ::backdrop
- :default
- :dir()
- ::file-selector-button
- ::first-letter
- ::first-line
- :focus-visible
- :has()
- Host
- host-context
- :is()
- :modal
- @namespace
- :nth-child() (initial support)
- :nth-child() of <selector>
- Page selectors
- ::placeholder
- :placeholder-shown
- ::selection
- Shadow parts
- ::spelling-error and ::grammar-error
- text-decoration in ::selection
- :user-valid and :user-invalid
- :where()
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Text
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Transitions (CSS)
- abs() and sign()
- accent-color
- Alt text for generated content
- Alternative style sheets
- Animations (CSS)
- appearance
- aspect-ratio
- backdrop-filter
- calc()
- calc() constants
- caret-color
- Cascade layers
- color-mix()
- color-scheme
- Content
- content-visibility
- Cursor styles
- Custom properties
- Display
- display animation
- display: contents
- display: flow-root
- display: list-item
- display: ruby
- display: table
- pow(), sqrt(), hypot(), log(), and exp()
- field-sizing
- Forced colors
- Hyphenation
- image-set()
- @import
- initial-letter
- Layout direction override
- light-dark()
- line-clamp
- linear() easing
- Logical properties
- margin-trim
- min(), max(), and clamp()
- Motion path
- @namespace
- Nesting
- object-view-box
- opacity
- overflow-clip-margin
- overflow
- overlay
- paint()
- paint-order
- Physical properties
- Quotes
- reading-flow
- Relative colors
- resize (CSS property)
- round(), mod(), and rem()
- @scope
- speak
- speak-as
- @starting-style
- @supports
- text-indent
- Text overflow
- text-spacing-trim
- sin(), cos(), tan(), asin(), acos(), atan(), and atan2() (CSS)
- Two-value display property
- user-select
- Vertical form controls
- visibility
- will-change
- writing-mode
- z-index
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HTML
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Forms
- :autofill
- <button>
- Constraint validation API
- <datalist>
- <fieldset> and <legend>
- <form>
- Form-associated custom elements
- :indeterminate
- <label>
- <output>
- <progress>
- :read-only and :read-write
- <input type="search">
- <select>
- showPicker() for <input>
- showPicker() for <select>
- <textarea>
- writingsuggestions
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HTML elements
- <a>
- <abbr>
- <address>
- <article>
- <aside>
- <audio>
- <b>
- <base>
- <bdi>
- <bdo>
- <blockquote>
- <body>
- <br>
- <button>
- <canvas>
- <cite>
- <code>
- Console
- <data>
- <del>
- <details>
- Mutually exclusive <details> elements
- <dfn>
- <dialog>
- <div>
- <em>
- <embed>
- <fieldset> and <legend>
- <figure> and <figcaption>
- <head>
- <header> and <footer>
- <h1> through <h6>
- <hgroup>
- <hr>
- <html>
- <i>
- <iframe>
- Image maps
- <img>
- <ins>
- <kbd>
- <label>
- <link>
- <ol>, <ul>, and <li>
- <main>
- <mark>
- <menu>
- <meta>
- <nav>
- <object>
- <output>
- <p>
- <picture>
- <pre>
- <progress>
- <q>
- <s>
- <samp>
- <script> and <noscript>
- <search>
- <section>
- <select>
- <slot>
- <small>
- <source>
- <span>
- <strong>
- <style>
- <sub> and <sup>
- Tables
- <template>
- Text tracks
- <textarea>
- <time>
- <title>
- <u>
- <var>
- <video>
- <wbr>
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JavaScript
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Collections
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Arrays
- Array (initial support)
- Array at()
- Array by copy
- Array copyWithin()
- Array fill()
- Array find() and findIndex()
- Array findLast() and findLastIndex()
- Array flat() and flatMap()
- Array.from()
- Array.fromAsync()
- Array includes()
- Array.isArray()
- Array iteration methods
- Array iterators
- Array.of()
- Array splice()
- Stable array sort
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Primitive types
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Strings
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Performance