Webdex

Terms starting with a non-letter

Color key: WebIDL CSS Markup HTTP

"" (value for RequestDestination WebIDL enumeration) §
Defined in Fetch
"" (value for BackgroundFetchResult WebIDL enumeration) §
Defined in Background Fetch
"" (value for BackgroundFetchFailureReason WebIDL enumeration) §
Defined in Background Fetch
"" (value for ContentCategory WebIDL enumeration) §
Defined in Content Index
"" (value for ReferrerPolicy WebIDL enumeration) §
Defined in Referrer Policy
"" (value for DirectionSetting WebIDL enumeration) §
Defined in WebVTT: The Web Video Text Tracks Format
"" (value for ScrollSetting WebIDL enumeration) §
Defined in WebVTT: The Web Video Text Tracks Format
"" (value for XMLHttpRequestResponseType WebIDL enumeration) §
Defined in XMLHttpRequest
CSSKeyframesRule.__getter__(index) (WebIDL operation) §
Defined in CSS Animations 1
--* (CSS property) §
Defined in CSS Variables 2 , CSS Variables 1
Referenced in CSS Snapshot 2022, CSS Snapshot 2023, CSS Snapshot 2024, CSS Snapshot 2025
-infinity (CSS value for calc() ) §
Defined in CSS Values 4
Referenced in CSS Color 4
-webkit-align-content (CSS property) §
Defined in Compatibility
-webkit-align-items (CSS property) §
Defined in Compatibility
-webkit-align-self (CSS property) §
Defined in Compatibility
-webkit-animation (CSS property) §
Defined in Compatibility
-webkit-animation-delay (CSS property) §
Defined in Compatibility
-webkit-animation-direction (CSS property) §
Defined in Compatibility
-webkit-animation-duration (CSS property) §
Defined in Compatibility
-webkit-animation-fill-mode (CSS property) §
Defined in Compatibility
-webkit-animation-iteration-count (CSS property) §
Defined in Compatibility
-webkit-animation-name (CSS property) §
Defined in Compatibility
-webkit-animation-play-state (CSS property) §
Defined in Compatibility
-webkit-animation-timing-function (CSS property) §
Defined in Compatibility
-webkit-app-region (concept) §
Defined in Manifest Incubations
-webkit-appearance (CSS property) §
Defined in CSS User Interface 4
Referenced in Compatibility
-webkit-backface-visibility (CSS property) §
Defined in Compatibility
-webkit-background-clip (CSS property) §
Defined in Compatibility
-webkit-background-origin (CSS property) §
Defined in Compatibility
-webkit-background-size (CSS property) §
Defined in Compatibility
-webkit-border-bottom-left-radius (CSS property) §
Defined in Compatibility
-webkit-border-bottom-right-radius (CSS property) §
Defined in Compatibility
-webkit-border-radius (CSS property) §
Defined in Compatibility
-webkit-border-top-left-radius (CSS property) §
Defined in Compatibility
-webkit-border-top-right-radius (CSS property) §
Defined in Compatibility
-webkit-box (CSS value for flex ) §
Defined in Compatibility
Referenced in CSS Overflow 4
-webkit-box-align (CSS property) §
Defined in Compatibility
-webkit-box-flex (CSS property) §
Defined in Compatibility
-webkit-box-ordinal-group (CSS property) §
Defined in Compatibility
-webkit-box-orient (CSS property) §
Defined in Compatibility
Referenced in CSS Overflow 4
-webkit-box-pack (CSS property) §
Defined in Compatibility
-webkit-box-shadow (CSS property) §
Defined in Compatibility
-webkit-box-sizing (CSS property) §
Defined in Compatibility
-webkit-device-pixel-ratio (CSS descriptor for @media ) §
Defined in Compatibility
-webkit-filter (CSS property) §
Defined in Compatibility
-webkit-flex (CSS property) §
Defined in Compatibility
-webkit-flex (CSS value for flex ) §
Defined in Compatibility
-webkit-flex-basis (CSS property) §
Defined in Compatibility
-webkit-flex-direction (CSS property) §
Defined in Compatibility
-webkit-flex-flow (CSS property) §
Defined in Compatibility
-webkit-flex-grow (CSS property) §
Defined in Compatibility
-webkit-flex-shrink (CSS property) §
Defined in Compatibility
-webkit-flex-wrap (CSS property) §
Defined in Compatibility
-webkit-image-set() (CSS function) §
Defined in CSS Images 4
-webkit-inline-box (CSS value for flex ) §
Defined in Compatibility
Referenced in CSS Overflow 4
-webkit-inline-flex (CSS value for flex ) §
Defined in Compatibility
-webkit-justify-content (CSS property) §
Defined in Compatibility
@-webkit-keyframes (CSS @rule) §
Defined in Compatibility
-webkit-legacy (CSS value for line-clamp ) §
Defined in CSS Overflow 4
-webkit-legacy (CSS value for continue ) §
Defined in CSS Overflow 4
-webkit-line-clamp (CSS property) §
Defined in CSS Overflow 4
-webkit-linear-gradient() (concept) §
Defined in Compatibility
-webkit-mask (CSS property) §
Defined in Compatibility
-webkit-mask-box-image (CSS property) §
Defined in Compatibility
-webkit-mask-box-image-outset (CSS property) §
Defined in Compatibility
-webkit-mask-box-image-repeat (CSS property) §
Defined in Compatibility
-webkit-mask-box-image-slice (CSS property) §
Defined in Compatibility
-webkit-mask-box-image-source (CSS property) §
Defined in Compatibility
-webkit-mask-box-image-width (CSS property) §
Defined in Compatibility
-webkit-mask-clip (CSS property) §
Defined in Compatibility
-webkit-mask-composite (CSS property) §
Defined in Compatibility
-webkit-mask-image (CSS property) §
Defined in Compatibility
-webkit-mask-origin (CSS property) §
Defined in Compatibility
-webkit-mask-position (CSS property) §
Defined in Compatibility
-webkit-mask-repeat (CSS property) §
Defined in Compatibility
-webkit-mask-size (CSS property) §
Defined in Compatibility
-webkit-max-device-pixel-ratio (CSS descriptor for @media ) §
Defined in Compatibility
-webkit-min-device-pixel-ratio (CSS descriptor for @media ) §
Defined in Compatibility
-webkit-order (CSS property) §
Defined in Compatibility
-webkit-perspective (CSS property) §
Defined in Compatibility
-webkit-perspective-origin (CSS property) §
Defined in Compatibility
-webkit-radial-gradient() (concept) §
Defined in Compatibility
-webkit-repeating-linear-gradient() (concept) §
Defined in Compatibility
-webkit-repeating-radial-gradient() (concept) §
Defined in Compatibility
-webkit-text-fill-color (CSS property) §
Defined in Compatibility
Referenced in CSS Pseudo-Elements 4
-webkit-text-size-adjust (CSS property) §
Defined in Compatibility
-webkit-text-stroke (CSS property) §
Defined in Compatibility
-webkit-text-stroke-color (CSS property) §
Defined in Compatibility
-webkit-text-stroke-width (CSS property) §
Defined in Compatibility
-webkit-transform (CSS property) §
Defined in Compatibility
Referenced in CSSOM
-webkit-transform-3d (CSS descriptor for @media ) §
Defined in Compatibility
-webkit-transform-origin (CSS property) §
Defined in Compatibility
-webkit-transform-style (CSS property) §
Defined in Compatibility
-webkit-transition (CSS property) §
Defined in Compatibility
-webkit-transition-delay (CSS property) §
Defined in Compatibility
-webkit-transition-duration (CSS property) §
Defined in Compatibility
-webkit-transition-property (CSS property) §
Defined in Compatibility
-webkit-transition-timing-function (CSS property) §
Defined in Compatibility
-webkit-user-select (CSS property) §
Defined in CSS User Interface 4
, (grammar) §
Defined in CSS Values 3 , CSS Values 4
Referenced in CSS Backgrounds 4, CSS Color 6, CSS Conditional Values 1, CSS GCPM 4, CSS Linked Parameters, CSS Variables 2, CSS Anchor Positioning, CSS Backgrounds 3, CSS Color 4, CSS Color 5, CSS Generated Content 3, CSS Easing Functions 1, CSS Easing Functions 2, CSS Environment Variables 1, CSS Fonts 4, CSS Gap Decorations 1, CSS GCPM 3, CSS Images 3, CSS Images 4, CSS Lists 3, CSS Functions and Mixins, CSS Page Floats, CSS Painting API 1, CSS Shapes 1, CSS Speech 1, CSS Transforms 1, CSS Transforms 2, CSS User Interface 3, CSS User Interface 4, CSS Values 5, CSS Variables 1, CSS Writing Modes 4, Filter Effects 1
, (grammar) §
Defined in CSS 2
! (grammar) §
Defined in CSS Values 3 , CSS Values 4
Referenced in CSS Backgrounds 4, CSS Images 4, CSS Inline Layout 3, CSS Paged Media 3, Selectors 4
? (grammar) §
Defined in CSS Values 3 , CSS Values 4
Referenced in CSS Backgrounds 4, CSS Color 6, CSS Conditional Values 1, CSS Extensions 1, CSS GCPM 4, CSS Linked Parameters, CSS Variables 2, Pointer-driven Animations, CSS Box Alignment 3, CSS Anchor Positioning, CSS Animations 2, CSS Backgrounds 3, CSS Borders and Box Decorations 4, CSS Cascading 3, CSS Cascading 4, CSS Cascading 5, CSS Cascading 6, CSS Color 4, CSS Color 5, CSS Color Adjustment 1, CSS Color HDR 1, CSS Generated Content 3, CSS Counter Styles 3, CSS Display 3, CSS Display 4, CSS Easing Functions 1, CSS Easing Functions 2, CSS Environment Variables 1, CSS Flexbox 1, CSS Fonts 4, CSS Fonts 5, CSS Form Control Styling 1, CSS Gap Decorations 1, CSS GCPM 3, CSS Images 3, CSS Images 4, CSS Inline Layout 3, CSS Lists 3, CSS Logical Properties 1, CSS Masking 1, CSS Functions and Mixins, CSS Multicol 2, CSS Overflow 3, CSS Overflow 4, CSS Paged Media 3, CSS Page Floats, CSS Painting API 1, CSS Properties and Values API 1, CSS Regions 1, CSS Scroll Snap 1, CSS Shapes 1, CSS Sizing 4, CSS Speech 1, CSS Syntax 3, CSS Text 3, CSS Text 4, CSS Text Decoration 3, CSS Text Decoration 4, CSS Transforms 1, CSS Transforms 2, CSS User Interface 3, CSS User Interface 4, CSS Values 5, CSS Variables 1, CSS View Transitions 2, CSS Writing Modes 4, Web Platform Design Principles, Filter Effects 1, Media Queries 4, Scroll-driven Animations, Selectors 4
? (grammar) §
Defined in CSS 2
Referenced in Motion Path 1
<(-token> (CSS type) §
Defined in CSS Syntax 3
()-block (concept for CSS ) §
Defined in CSS Syntax 3
Referenced in CSS Snapshot 2022, CSS Snapshot 2023, CSS Snapshot 2024, CSS Snapshot 2025
<)-token> (CSS type) §
Defined in CSS Syntax 3
Referenced in CSS Variables 2, CSS Variables 1
[ <dashed-ident> <animation-action>+ ]+ (CSS value for animation-trigger ) §
Defined in CSS Animations 2
[ <integer [-∞,-1]> | <integer [1,∞]> ] && <custom-ident>? (CSS value for <grid-line> ) §
Defined in CSS Grid Layout 1 , CSS Grid Layout 2
Referenced in CSS Snapshot 2022, CSS Snapshot 2023, CSS Snapshot 2024, CSS Snapshot 2025
[ <line-names>? <string> <track-size>? <line-names>? ]+ [ / <explicit-track-list> ]? (CSS value for grid-template ) §
Defined in CSS Grid Layout 1 , CSS Grid Layout 2
Referenced in CSS Snapshot 2022, CSS Snapshot 2023, CSS Snapshot 2024, CSS Snapshot 2025
[ auto-flow && dense? ] <'grid-auto-rows'>? / <'grid-template-columns'> (CSS value for grid ) §
Defined in CSS Grid Layout 1 , CSS Grid Layout 2
Referenced in CSS Snapshot 2022, CSS Snapshot 2023, CSS Snapshot 2024, CSS Snapshot 2025
<[-token> (CSS type) §
Defined in CSS Syntax 3
[]-block (concept for CSS ) §
Defined in CSS Syntax 3
Referenced in CSS Snapshot 2022, CSS Snapshot 2023, CSS Snapshot 2024, CSS Snapshot 2025
[<string> <string>]+ (CSS value for quotes ) §
Defined in CSS 2
Referenced in CSS Snapshot 2022, CSS Snapshot 2023, CSS Snapshot 2025
[DelayWhilePrerendering] (WebIDL extended attribute) §
Defined in Prerendering Revamped
<]-token> (CSS type) §
Defined in CSS Syntax 3
Referenced in CSS Variables 2, CSS Variables 1
<{-token> (CSS type) §
Defined in CSS Syntax 3
{}-block (concept for CSS ) §
Defined in CSS Syntax 3
Referenced in CSS Snapshot 2022, CSS Snapshot 2023, CSS Snapshot 2024, CSS Snapshot 2025
{A,B} (grammar) §
Defined in CSS Values 3 , CSS Values 4
Referenced in CSS Anchor Positioning 2, CSS Backgrounds 4, CSS Anchor Positioning, CSS Backgrounds 3, CSS Borders and Box Decorations 4, CSS Box Model 3, CSS Box Model 4, CSS Easing Functions 2, CSS Fonts 4, CSS Fonts 5, CSS Images 4, CSS Logical Properties 1, CSS Masking 1, CSS Overflow 3, CSS Overflow 4, CSS Overscroll Behavior 1, CSS Paged Media 3, CSS Positioned Layout 3, CSS Scroll Snap 1, CSS Shapes 1, CSS Sizing 4, CSS Table 3, CSS Text 4, CSS Text Decoration 3, CSS Text Decoration 4, CSS Transforms 2, CSS User Interface 4, CSS Values 5, Filter Effects 1, Scroll-driven Animations
{A,B} (grammar) §
Defined in CSS 2
{A} (grammar) §
Defined in CSS Values 3 , CSS Values 4
Referenced in CSS Backgrounds 3, CSS Borders and Box Decorations 4, CSS Color 4, CSS Color 5, CSS Counter Styles 3, CSS Images 3, CSS Scrollbars Styling 1, CSS Shapes 1, CSS Transforms 2, CSS User Interface 3, CSS User Interface 4, CSS Values 5
<}-token> (CSS type) §
Defined in CSS Syntax 3
Referenced in CSS Variables 2, CSS Variables 1
* (grammar) §
Defined in Clear Site Data
* (grammar) §
Defined in CSS Values 3 , CSS Values 4
Referenced in CSS Anchor Positioning 2, CSS Conditional Values 1, CSS GCPM 4, Content Security Policy: Embedded Enforcement, CSS Cascading 5, CSS Conditional 3, CSS Environment Variables 1, CSS Gap Decorations 1, CSS Functions and Mixins, CSS Paged Media 3, CSS Speech 1, CSS User Interface 3, CSS User Interface 4, CSS Values 5, Selectors 4
* (grammar) §
Defined in CSS 2
* (concept for default allowlist ) §
Defined in Permissions Policy
Referenced in Attribution Reporting, Digital Goods API, Keyboard Map, Page Lifecycle, WebOTP API, Media Session
* (CSS selector) §
Defined in Selectors 3
Referenced in CSS Snapshot 2022, CSS Snapshot 2023, CSS Snapshot 2024, CSS Snapshot 2025, CSS Pseudo-Elements 4, CSS Scoping 1, CSS Values 3, CSS Values 5, CSS View Transitions 1, CSS View Transitions 2, Selectors 4
*_localized (concept for manifest ) §
Defined in Web Application Manifest
Related terms: concept dir, concept lang, concept value
/ [ <string> | <counter> | <attr()> ]+ (CSS value for content ) §
Defined in CSS Generated Content 3
& (CSS selector) §
Defined in CSS Nesting
Referenced in CSS Cascading 6
&& (grammar) §
Defined in CSS Values 3 , CSS Values 4
Referenced in CSS Backgrounds 4, CSS Color 6, CSS Box Alignment 3, CSS Anchor Positioning, CSS Backgrounds 3, CSS Borders and Box Decorations 4, CSS Color 5, CSS Color Adjustment 1, CSS Color HDR 1, CSS Counter Styles 3, CSS Display 3, CSS Display 4, CSS Easing Functions 2, CSS Fonts 4, CSS Images 4, CSS Inline Layout 3, CSS Overflow 3, CSS Overflow 4, CSS Shapes 1, CSS Speech 1, CSS Text 3, CSS Text 4, CSS Text Decoration 3, CSS Text Decoration 4, CSS Transforms 1, CSS Transforms 2, CSS Values 5, Filter Effects 1
&& (grammar) §
Defined in CSS 2
Referenced in Motion Path 1
# (grammar) §
Defined in CSS Values 3 , CSS Values 4
Referenced in CSS Backgrounds 4, CSS Color 6, CSS Extensions 1, CSS Linked Parameters, Pointer-driven Animations, Selectors 5, Compositing 2, Compositing 1, CSS Anchor Positioning, CSS Animations 1, CSS Animations 2, CSS Backgrounds 3, CSS Borders and Box Decorations 4, CSS Cascading 5, CSS Color 4, CSS Color 5, CSS Color HDR 1, CSS Generated Content 3, CSS Counter Styles 3, CSS Easing Functions 2, CSS Fonts 4, CSS Gap Decorations 1, CSS GCPM 3, CSS Images 3, CSS Images 4, CSS Masking 1, CSS Functions and Mixins, CSS Paged Media 3, CSS Shapes 1, CSS Text Decoration 3, CSS Text Decoration 4, CSS Transforms 1, CSS Transforms 2, CSS Transitions, CSS Transitions 2, CSS Values 5, CSS View Transitions 2, CSS Will Change 1, Scroll-driven Animations, Selectors 4
+ (grammar) §
Defined in CSS Values 3 , CSS Values 4
Referenced in CSS Extensions 1, CSS Animations 2, CSS Borders and Box Decorations 4, CSS Color 5, CSS Color Adjustment 1, CSS Generated Content 3, CSS Counter Styles 3, CSS Fonts 4, CSS Form Control Styling 1, CSS Gap Decorations 1, CSS GCPM 3, CSS Lists 3, CSS Spatial Navigation 1, CSS Shadow Parts, CSS Syntax 3, CSS Transforms 1, CSS Values 5, CSS View Transitions 2, Filter Effects 1
+ (grammar) §
Defined in CSS 2
Referenced in CSS Fill and Stroke 3
+ (CSS selector) §
Defined in Selectors 4
Referenced in CSS Syntax 3, CSS Values 3
<'grid-template-rows'> / [ auto-flow && dense? ] <'grid-auto-columns'>? (CSS value for grid ) §
Defined in CSS Grid Layout 1 , CSS Grid Layout 2
Referenced in CSS Snapshot 2022, CSS Snapshot 2023, CSS Snapshot 2024, CSS Snapshot 2025
<'grid-template-rows'> / <'grid-template-columns'> (CSS value for grid-template ) §
Defined in CSS Grid Layout 1 , CSS Grid Layout 2
Referenced in CSS Snapshot 2022, CSS Snapshot 2023, CSS Snapshot 2024, CSS Snapshot 2025
<angle> | <zero> (CSS value for conic-gradient(), repeating-conic-gradient() function ) §
Defined in CSS Images 4
<counter-name> <integer>? (CSS value for counter-reset ) §
Defined in CSS Lists 3
<counter-name> <integer>? (CSS value for counter-increment, counter-set property ) §
Defined in CSS Lists 3
<custom-ident>+ (CSS value for view-transition-class ) §
Defined in CSS View Transitions 2
<dashed-ident> || <try-tactic> (CSS value for position-try-fallbacks ) §
Defined in CSS Anchor Positioning
<dashed-ident># (CSS value for anchor-name ) §
Defined in CSS Anchor Positioning
<event-trigger-event>+ [ / <event-trigger-event>+ ]? (CSS value for event-trigger-source ) §
Defined in CSS Animations 2
<length-percentage [0,∞]>{2} (CSS value for <radial-size>, radial-gradient() function, repeating-radial-gradient() function ) §
Defined in CSS Images 3
Referenced in CSS Snapshot 2022, CSS Snapshot 2023, CSS Snapshot 2024, CSS Snapshot 2025
<length-percentage>+# (CSS value for stroke-dasharray ) §
Defined in CSS Fill and Stroke 3
<offset-path> || <coord-box> (CSS value for offset-path ) §
Defined in Motion Path 1
<param()># (CSS value for none ) §
Defined in CSS Linked Parameters
<reversed-counter-name> <integer>? (CSS value for counter-reset ) §
Defined in CSS Lists 3
<string>+ (CSS value for grid-template-areas ) §
Defined in CSS Grid Layout 1 , CSS Grid Layout 2
Referenced in CSS Snapshot 2022, CSS Snapshot 2023, CSS Snapshot 2024, CSS Snapshot 2025
<timeline-range-name> <length-percentage>? (CSS value for animation-range-center ) §
Defined in Pointer-driven Animations
<timeline-range-name> <length-percentage>? (CSS value for animation-range-start ) §
Defined in Scroll-driven Animations
<timeline-range-name> <length-percentage>? (CSS value for animation-range-end ) §
Defined in Scroll-driven Animations
<track-list> | <auto-track-list> (CSS value for grid-template-columns, grid-template-rows property ) §
Defined in CSS Grid Layout 1 , CSS Grid Layout 2
Referenced in CSS Snapshot 2022, CSS Snapshot 2023, CSS Snapshot 2024, CSS Snapshot 2025
> (CSS selector) §
Defined in Selectors 4
| (grammar) §
Defined in CSS Values 3 , CSS Values 4
Referenced in Compatibility, CSS Anchor Positioning 2, CSS Backgrounds 4, CSS Color 6, CSS Conditional Values 1, CSS GCPM 4, CSS Images 5, CSS Linked Parameters, CSS Shapes 2, CSS Size Adjustment 1, Pointer-driven Animations, Compositing 2, Filter Effects 2, Compositing 1, CSS Box Alignment 3, CSS Anchor Positioning, CSS Animations 1, CSS Animations 2, CSS Backgrounds 3, CSS Borders and Box Decorations 4, CSS Box Model 3, CSS Box Model 4, CSS Fragmentation 3, CSS Fragmentation 4, CSS Cascading 3, CSS Cascading 4, CSS Cascading 5, CSS Color 4, CSS Color 5, CSS Color Adjustment 1, CSS Color HDR 1, CSS Conditional 3, CSS Conditional 4, CSS Containment 1, CSS Containment 2, CSS Generated Content 3, CSS Counter Styles 3, CSS Display 3, CSS Display 4, CSS Easing Functions 1, CSS Easing Functions 2, CSS Flexbox 1, CSS Fonts 4, CSS Fonts 5, CSS Form Control Styling 1, CSS Gap Decorations 1, CSS GCPM 3, CSS Grid Layout 3, CSS Images 3, CSS Images 4, CSS Inline Layout 3, CSS Line Grid 1, CSS Lists 3, CSS Logical Properties 1, CSS Masking 1, CSS Functions and Mixins, CSS Multicol 1, CSS Multicol 2, CSS Spatial Navigation 1, CSS Overflow 3, CSS Overflow 4, CSS Overflow 5, CSS Overscroll Behavior 1, CSS Paged Media 3, CSS Page Floats, CSS Positioned Layout 3, CSS Positioned Layout 4, CSS Properties and Values API 1, CSS Regions 1, CSS Rhythmic Sizing, CSS Round Display 1, CSS Ruby Annotation Layout 1, CSS Scroll Anchoring 1, CSS Scroll Snap 1, CSS Scroll Snap 2, CSS Scrollbars Styling 1, CSS Shapes 1, CSS Sizing 3, CSS Sizing 4, CSS Speech 1, CSS Syntax 3, CSS Table 3, CSS Text 3, CSS Text 4, CSS Text Decoration 3, CSS Text Decoration 4, CSS Transforms 1, CSS Transforms 2, CSS Transitions, CSS Transitions 2, CSS User Interface 3, CSS User Interface 4, CSS Values 5, CSS View Transitions 1, CSS View Transitions 2, CSS Viewport 1, CSS Will Change 1, CSS Writing Modes 3, CSS Writing Modes 4, CSS Exclusions 1, Web Platform Design Principles, Filter Effects 1, Media Queries 4, Media Queries 5, Scroll-driven Animations, Selectors 4
| (grammar) §
Defined in CSS 2
Referenced in CSS Fill and Stroke 3, Motion Path 1
|| (grammar) §
Defined in CSS Values 3 , CSS Values 4
Referenced in Compatibility, CSS Anchor Positioning 2, CSS Backgrounds 4, CSS Shapes 2, Pointer-driven Animations, CSS Anchor Positioning, CSS Animations 1, CSS Animations 2, CSS Backgrounds 3, CSS Borders and Box Decorations 4, CSS Box Model 4, CSS Containment 1, CSS Containment 2, CSS Display 3, CSS Display 4, CSS Flexbox 1, CSS Fonts 4, CSS Gap Decorations 1, CSS Grid Layout 3, CSS Images 3, CSS Images 4, CSS Inline Layout 3, CSS Lists 3, CSS Logical Properties 1, CSS Masking 1, CSS Multicol 1, CSS Multicol 2, CSS Overflow 3, CSS Overflow 4, CSS Paged Media 3, CSS Rhythmic Sizing, CSS Round Display 1, CSS Ruby Annotation Layout 1, CSS Shapes 1, CSS Sizing 4, CSS Speech 1, CSS Text 3, CSS Text 4, CSS Text Decoration 3, CSS Text Decoration 4, CSS Transitions, CSS Transitions 2, CSS User Interface 3, CSS User Interface 4, CSS Values 5, CSSOM, Scroll-driven Animations
|| (grammar) §
Defined in CSS 2
Referenced in CSS Fill and Stroke 3, Motion Path 1
|| (CSS selector) §
Defined in Selectors 4
~ (CSS selector) §
Defined in Selectors 4
1 (value for type attribute of ol element ) §
Defined in HTML
"1" (value for TokenVersion WebIDL enumeration) §
Defined in Private State Token API
128-bit unsigned integer (concept) §
Defined in Infra
Referenced in URL
16-bit signed integer (concept) §
Defined in Infra
Referenced in Web IDL
16-bit unsigned integer (concept) §
Defined in Infra
Referenced in URL, Web IDL, Privacy-Preserving Attribution 1
"1d" (value for GPUTextureDimension WebIDL enumeration) §
Defined in WebGPU
"1d" (value for GPUTextureViewDimension WebIDL enumeration) §
Defined in WebGPU
Referenced in WebGPU Shading Language
1D image (concept) §
Defined in CSS Images 4
1st <length> (CSS value for box-shadow-offset ) §
Defined in CSS Borders and Box Decorations 4
"2d" (value for GPUTextureDimension WebIDL enumeration) §
Defined in WebGPU
"2d" (value for GPUTextureViewDimension WebIDL enumeration) §
Defined in WebGPU
Referenced in WebGPU Shading Language
2D matrix (concept) §
Defined in CSS Transforms 1
Referenced in CSS Snapshot 2022, CSS Snapshot 2023, CSS Snapshot 2024, CSS Snapshot 2025, CSS Transforms 2
"2d-array" (value for GPUTextureViewDimension WebIDL enumeration) §
Defined in WebGPU
Referenced in WebGPU Shading Language
"2g" (value for EffectiveConnectionType WebIDL enumeration) §
Defined in Network Information API
2nd <length> (CSS value for box-shadow-offset ) §
Defined in CSS Borders and Box Decorations 4
"2x" (value for OverSampleType WebIDL enumeration) §
Defined in Web Audio API , Web Audio API 1.1
32-bit signed integer (concept) §
Defined in Infra
Referenced in Web IDL
32-bit unsigned integer (concept) §
Defined in Infra
Referenced in URL, Web IDL, Privacy-Preserving Attribution 1, Push API
"3d" (value for GPUTextureDimension WebIDL enumeration) §
Defined in WebGPU
"3d" (value for GPUTextureViewDimension WebIDL enumeration) §
Defined in WebGPU
Referenced in WebGPU Shading Language
3d transform functions (concept) §
Defined in CSS Transforms 2
"3g" (value for EffectiveConnectionType WebIDL enumeration) §
Defined in Network Information API
"4g" (value for EffectiveConnectionType WebIDL enumeration) §
Defined in Network Information API
"4x" (value for OverSampleType WebIDL enumeration) §
Defined in Web Audio API , Web Audio API 1.1
64-bit signed integer (concept) §
Defined in Infra
Referenced in Web IDL
64-bit unsigned integer (concept) §
Defined in Infra
Referenced in Web IDL, Push API
8-bit signed integer (concept) §
Defined in Infra
Referenced in Web IDL
8-bit unsigned integer (concept) §
Defined in Infra
Referenced in Web IDL