From 376fc21942c8059055f97804e4f47617821c1f0f Mon Sep 17 00:00:00 2001 From: SphinxKnight Date: Sun, 8 Aug 2021 17:28:33 +0200 Subject: Fixes #1634 - remove old compat site for Japanese (#1900) * Fixes #1634 - remove old compat site mentions for Japanese - part 1 * Fixes #1634 - remove old compat site mentions for Japanese - part 2 * Update index.html Co-authored-by: Masahiro FUJIMOTO --- .../firefox/experimental_features/index.html | 637 --------------------- 1 file changed, 637 deletions(-) delete mode 100644 files/ja/mozilla/firefox/experimental_features/index.html (limited to 'files/ja/mozilla/firefox/experimental_features') diff --git a/files/ja/mozilla/firefox/experimental_features/index.html b/files/ja/mozilla/firefox/experimental_features/index.html deleted file mode 100644 index 5e268c9e55..0000000000 --- a/files/ja/mozilla/firefox/experimental_features/index.html +++ /dev/null @@ -1,637 +0,0 @@ ---- -title: Firefoxにおける試験的機能 -slug: Mozilla/Firefox/Experimental_features -translation_of: Mozilla/Firefox/Experimental_features ---- -

{{FirefoxSidebar}}

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新しい機能をテストするために、Mozilla は Firefox ブラウザのテスト版である Firefox Nightly を毎日公開しています。提案されたWebプラットフォーム標準の実装など、実験的な機能が利用可能です。このページには、必要に応じて Nightly 版の Firefox の機能と、Firefox の起動方法に関する情報が掲載されています。これらの機能がリリースされる前に、Webサイトとアプリケーションをテストして、最新のWebテクノロジ機能ですべてが機能することを確認できます。

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これらの試験的機能をテストするためには、 Firefox Nightly または Firefox Developer Editionをダウンロードしインストールしておくことが必要です。

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HTML

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FeatureFirefox NightlyFirefox Developer EditionFirefox BetaFirefox ReleasePreference
{{HTMLElement("dialog")}}
- Dialog element including DOM APIs to interact with it. Implementation of modal dialogs and accessibility still missing.		Disabled
- (available since 53)		Disabled
- (available since 53)		------dom.dialog_element.enabled
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CSS

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FeatureFirefox NightlyFirefox Developer EditionFirefox BetaFirefox ReleasePreference
SubgridsDisabledDisabledDisabledDisabledlayout.css.grid-template-subgrid-value.enabled
Display stray control characters in CSS as hex boxes
- This feature renders control characters (Unicode category Cc) other than tab (U+0009), line feed (U+000A), form feed (U+000C), and carriage return (U+000D) as a hexbox when they are not expected.		4343DisabledDisabledlayout.css.control-characters.enabled or layout.css.control-characters.visible
Positioned CSS Masks
- A subset of CSS Masks that includes longhand properties of CSS Masks, as well as a change in the shorthand property		515153DisabledControlled by a compile flag (MOZ_ENABLE_MASK_AS_SHORTHAND).
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The font-variation-settings property
- The {{cssxref("font-variation-settings")}} provides low-level control over OpenType or TrueType font typographic features, by specifying the four letter axis names of the features you want to vary, along with their variation values.

- 		Disabled
- (available since 53)		Disabled
- (available since 53)		Disabled
- (available since 53)		Disabled
- (available since 53)		 -

layout.css.font-variations.enabled
- Functions only in Mac OS Sierra (and later).
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- For the downloadable fonts on axis-praxis, you also need gfx.downloadable_fonts.keep_variation_tables (in Firefox 54 and later)

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The touch-action CSS property
- The {{cssxref("touch-action")}} CSS property is part of the {{SpecName("Pointer Events")}} specification and allows you to specify how and in what way the user is able to manipulate an object by touch.		50———layout.css.touch_action.enabled
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The shape-outside CSS property
- The {{cssxref("shape-outside")}} CSS property is part of the {{SpecName("CSS Shapes")}} specification and allows you to specify a float area causing inline contents to wrap around a shape.

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Firefox currently implements the <shape-box> values ({{bug(1309467)}}) as well as the circle() ({{bug(1311244)}}), ellipse() ({{bug(1326406)}}), and polygon() ({{bug(1326409)}}) functions. {{cssxref("shape-outside")}} is animatable since Firefox 57 ({{bug(1289049)}}).

- 		Disabled
- (available since 53)		———layout.css.shape-outside.enabled
The contain CSS property
- The {{cssxref("contain")}} CSS property is part of the {{SpecName("CSS Containment")}} specification and allows you to indicate that an element and its contents are independent of the rest of the document tree, allowing {{Glossary("User agent", "user agents")}} to optimize the rendering of a page.		Disabled
- (available since 45)		Disabled
- (available since 45)		Disabled
- (available since 45)		Disabled
- (available since 45)		layout.css.contain.enabled
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The column-span CSS property
- The {{cssxref("column-span")}} CSS property is part of the {{SpecName("CSS3 Multicol")}} specification and allows you to specify how many columns an element spans across.

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Firefox currently only parses the property ({{bug(1339298)}}), it's not actually implemented yet ({{bug(616436)}}).

- 		Disabled
- (recognized since 55, but not implemented yet)		———layout.css.column-span.enabled
The frames() timing function
- See The frames() class of timing-functions for more details.		EnabledN/ADisabled
- (available since 55)		Disabled
- (available since 55)		None
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JavaScript

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See also ECMAScript Next support for implemented features of ECMAScript 2016 and later, that are not experimental and thus available without preferences in Firefox Release.

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FeatureFirefox NightlyFirefox Developer EditionFirefox BetaFirefox ReleasePreference
Additions to the ArrayBuffer object
- Adds the {{jsxref("ArrayBuffer.transfer()")}} that returns a new ArrayBuffer whose contents have been taken from the oldBuffer's data (spec).		36DisabledDisabledDisabledNone
TypedObject objects (spec)EnabledDisabledDisabledDisabledNone
SIMD (specification and polyfill)EnabledDisabledDisabledDisabledNone
ECMAScript modules
- Allows you to use native ECMAScript modules, for example defining modules with <script type="module">, defining fallback scripts with <script nomodule>, and importing code features that have been exported from modules.		DisabledDisabledDisabledDisableddom.moduleScripts.enabled
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APIs

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Canvas & WebGL

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FeatureFirefox NightlyFirefox Developer EditionFirefox BetaFirefox ReleasePreference
WEBGL_debug_renderer_info extension
- The {{domxref("WEBGL_debug_renderer_info")}} extension allows you to transmit information useful to help debugging problems to the server.		4242DisabledDisabledwebgl.enable-debug-renderer-info
OffscreenCanvas
- The {{domxref("OffscreenCanvas")}} interface provides a canvas that can be rendered off screen. It is available in both the window and worker contexts.		Disabled
- (available since 44)		Disabled
- (available since 44)		Disabled
- (available since 44)		Disabled
- (available since 44)		gfx.offscreencanvas.enabled
Hit regions
- Whether the mouse coordinates are within a particular area on the canvas is a common problem to solve. The hit region API allows you define an area of your canvas and provides another possibility to expose interactive content on a canvas to accessibility tools.		Disabled
- (available since 30)		Disabled
- (available since 30)		Disabled
- (available since 30)		Disabled
- (available since 30)		canvas.hitregions.enabled
Streams API
- Allows JavaScript to programmatically access streams of data received over the network and process them as desired by the developer.		Disabled
- (available since 57)		Disabled
- (available since 57)		Disabled
- (available since 57)		Disabled
- (available since 57)		dom.streams.enabled and javascript.options.streams
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DOM

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FeatureFirefox NightlyFirefox Developer EditionFirefox BetaFirefox ReleasePreference
WebVR API 1.1 on Mac
- The WebVR API allows you to control and use virtual reality devices.		EnabledEnabledEnabledDisableddom.vr.enabled
Gamepad extensions
- The Gamepad Extensions provide access to additional functionality such as pose information in the case of WebVR controllers, and haptic actuator control (e.g. controller vibration hardware).		EnabledEnabledEnabledDisableddom.gamepad-extensions.enabled
FlyWeb
- FlyWeb is a project at Mozilla focused on bringing a new set of APIs to the browser for advertising and discovering local-area web servers.		51DisabledDisabledDisableddom.flyweb.enabled
HTMLMediaElement.seekToNextFrame()
- Part of an experimentation process around support non-real-time access to media for tasks including filtering, editing, and so forth, the {{domxref("HTMLMediaElement.seekToNextFrame()")}} advances the the current play position to the next frame in the media.		49
- (Fundamental update in version 50)		49
- (Fundamental update in version 50)		DisabledDisabledmedia.seekToNextFrame.enabled
GeometryUtils.getBoxQuads() ({{bug(917755)}})3131DisabledDisabledlayout.css.getBoxQuads.enabled
GeometryUtils.convertPointFromNode(),
- GeometryUtils.RectFromNode(), and
- GeometryUtils.convertQuadFromNode()
- ({{bug(918189)}})		3131DisabledDisabledlayout.css.convertFromNode.enabled
Node.rootNode
- The {{domxref("Node.rootNode")}} property returns a {{domxref("Node")}} object representing the topmost node in the tree, or the current node if it's the topmost node in the tree.
- This feature is kept experimental as its naming poses Web compatibility problems. It will be renamed in the future.		4848DisabledDisableddom.node.rootNode.enabled
WebVTT Regions API
- WebVTT regions are parts of the video viewport that provide a rendering area for WebVTT cues. The {{domxref("VTTRegion")}} is the interface exposing the WebVTT cues.
- This interface is considered to be in flux and isn't therefore activated in any version by default.		Disabled
- (Experimental implementation since version 30)		DisabledDisabledDisabledmedia.webvtt.regions.enabled
Support for audio and video tracks
- Implements {{domxref("HTMLMediaElement.audioTracks")}} and {{domxref("HTMLMediaElement.videoTracks")}}.
- Firefox doesn't support multiple audio or video tracks, preventing the most common use cases for these properties to work properly. That's why these properties are not activated by default in any version.		Disabled
- (Experimental implementation since version 33)		DisabledDisabledDisabledmedia.track.enabled
Better value for Event.timestamp
- The property {{domxref("Event.timestamp")}} is returning a {{domxref("DOMHighResTimeStamp")}}, which is now relative to the Unix epoch.		32 (Windows)
- 43 (Linux)		32 (Windows)
- 43 (Linux)		DisabledDisabledmedia.track.enabled
Pointer Events50DisabledDisabledDisableddom.w3c_pointer_events.enabled
Pointer Events {{domxref("PointerEvent.tangentialPressure")}} and {{domxref("PointerEvent.twist")}}54DisabledDisabledDisableddom.w3c_pointer_events.enabled
Intersection Observer API
- The {{domxref("Intersection Observer API")}} allows you to configure a callback that is called whenever one item, called a target, intersects either the device viewport or a specified element called.		Disabled
- (available since 53)		———dom.IntersectionObserver.enabled
Web Animations API: KeyframeEffect and KeyframeEffectReadOnly
- The {{domxref("KeyframEffectReadOnly()", "KeyframeEffectReadOnly.KeyframeEffectReadOnly()")}} and {{domxref("KeyframeEffect()", "KeyframeEffect.KeyframeEffect()")}} constructors can be used to clone existing {{domxref("KeyframeEffectReadOnly")}} object instances by being given the object to clone as their only parameter (see {{bug(1273784)}}.)		5252DisabledDisabledNone
{{domxref("PromiseRejectionEvent")}} and related features
- Providing a way to monitor and more finely control the rejection of Promises.
-  		Disabled
- (available since 55)		DisabledDisabledDisableddom.promise_rejection_events.enabled
Payment Request API
- Provides a web API for handling web-based payments.		Disabled
- (available since 55)		Disabled
- (available since 55)		Disabled
- (available since 55)		Disabled
- (available since 55)		dom.payments.request.enabled
Basic Card Payment API
- Provides dictionaries that define data structures describing card payment types and payment responses for use in the Payment Request API. See {{domxref("BasicCardRequest")}} and {{domxref("BasicCardResponse")}}.		Disabled
- (available since 56)		Disabled
- (available since 56)		Disabled
- (available since 56)		Disabled
- (available since 56)		dom.payments.request.enabled
The proprietary {{domxref("Window.content")}} property is now only available to chrome (privileged) code, and not available to the web anymore ({{bug(864845)}}).Enabled
- (since 57)		DisabledDisabledDisabled 
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WebRTC

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FeatureFirefox NightlyFirefox Developer EditionFirefox BetaFirefox ReleasePreference
TCP ICE candidates
- ICE candidates that use TCP rather than UDP are considered during ICE negotiation.		 -

Disabled
- 41

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Enabled
- 54

- 		Disabled
- 41		Disabled
- 41		Disabled
- 41		media.peerconnection.ice.tcp
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開発者用ツール

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FeatureFirefox NightlyFirefox Developer EditionFirefox BetaFirefox ReleasePreference
Debugger rewrite in HTML5252DisabledDisableddevtools.debugger.new-debugger-frontend
Console rewrite in HTML52DisabledDisabledDisableddevtools.webconsole.new-frontend-enabled
Experimental Performance tool options
- Enables options in the UI for JIT optimizations, memory, etc.		41DisabledDisabledDisableddevtools.performance.ui.experimental
Layout side panel
- The Layout side panel allows to inspect and manage different CSS layout types like CSS Grid Layout.		Disabled
- (available since 52)		Disabled
- (available since 52)		Disabled
- (available since 52)		Disabled
- (available since 52)		devtools.layoutview.enabled
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セキュリティ

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FeatureFirefox NightlyFirefox Developer EditionFirefox BetaFirefox ReleasePreference
TLS 1.3EnabledEnabledDisabledDisabledsecurity.tls.version.max to 4
Blocking data URL navigations on the top-level window
- We are experimenting with blocking data: URLs on the top-level window. See Data URL navigations on top level window will be blocked for a detailed explanation.		Enabledn/aEnabledDisabledsecurity.data_uri.block_toplevel
- _data_uri_navigations
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その他

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FeatureFirefox NightlyFirefox Developer EditionFirefox BetaFirefox ReleasePreference
Add to home screen
- The icons, name, short_name, and theme_color fields of the Web App Manifest (if present) can now be as the source of the homescreen/apps window icons, apps window title, homescreen icon title, and apps window color (respectively) for "Add to home screen" (Firefox Mobile only).		Disabled
- (available since 53)		Disabled
- (available since 53)		Disabled
- (available since 53)		Disabled
- (available since 52)		manifest.install.enabled
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次も参照してください

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