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Title: ネットワーク情報 API - Web API | MDN

Open Graph Title: ネットワーク情報 API - Web API | MDN

Description: ネットワーク情報 API はシステムのネットワーク接続に関する情報を、一般的な接続の種類 ('wifi' や 'cellular' など) の観点から提供します。 これは、ユーザーの接続に基づき、高解像度コンテンツや低解像度コンテンツを選択するために使用することができます。

Open Graph Description: ネットワーク情報 API はシステムのネットワーク接続に関する情報を、一般的な接続の種類 ('wifi' や 'cellular' など) の観点から提供します。 これは、ユーザーの接続に基づき、高解像度コンテンツや低解像度コンテンツを選択するために使用することができます。

Opengraph URL: https://developer.mozilla.org/ja/docs/Web/API/Network_Information_API

direct link

Domain: developer.mozilla.org

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og:imagehttps://developer.mozilla.org/mdn-social-image.46ac2375.png
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og:image:altMDN ロゴ
og:site_nameMDN Web Docs
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Links:

メインコンテンツへスキップhttps://developer.mozilla.org/ja/docs/Web/API/Network_Information_API#content
検索へスキップhttps://developer.mozilla.org/ja/docs/Web/API/Network_Information_API#mdn-search
MDN https://developer.mozilla.org/ja/
HTML: Markup languagehttps://developer.mozilla.org/ja/docs/Web/HTML
Elementshttps://developer.mozilla.org/ja/docs/Web/HTML/Reference/Elements
Global attributeshttps://developer.mozilla.org/ja/docs/Web/HTML/Reference/Global_attributes
Attributeshttps://developer.mozilla.org/ja/docs/Web/HTML/Reference/Attributes
See all…https://developer.mozilla.org/ja/docs/Web/HTML/Reference
Responsive imageshttps://developer.mozilla.org/ja/docs/Web/HTML/Guides/Responsive_images
HTML cheatsheethttps://developer.mozilla.org/ja/docs/Web/HTML/Guides/Cheatsheet
Date & time formatshttps://developer.mozilla.org/ja/docs/Web/HTML/Guides/Date_and_time_formats
See all…https://developer.mozilla.org/ja/docs/Web/HTML/Guides
SVGhttps://developer.mozilla.org/ja/docs/Web/SVG
MathMLhttps://developer.mozilla.org/ja/docs/Web/MathML
XMLhttps://developer.mozilla.org/ja/docs/Web/XML
CSS: Styling languagehttps://developer.mozilla.org/ja/docs/Web/CSS
Propertieshttps://developer.mozilla.org/ja/docs/Web/CSS/Reference/Properties
Selectorshttps://developer.mozilla.org/ja/docs/Web/CSS/Reference/Selectors
At-ruleshttps://developer.mozilla.org/ja/docs/Web/CSS/Reference/At-rules
Valueshttps://developer.mozilla.org/ja/docs/Web/CSS/Reference/Values
See all…https://developer.mozilla.org/ja/docs/Web/CSS/Reference
Box modelhttps://developer.mozilla.org/ja/docs/Web/CSS/Guides/Box_model/Introduction
Animationshttps://developer.mozilla.org/ja/docs/Web/CSS/Guides/Animations/Using
Flexboxhttps://developer.mozilla.org/ja/docs/Web/CSS/Guides/Flexible_box_layout/Basic_concepts
Colorshttps://developer.mozilla.org/ja/docs/Web/CSS/Guides/Colors/Applying_color
See all…https://developer.mozilla.org/ja/docs/Web/CSS/Guides
Column layoutshttps://developer.mozilla.org/ja/docs/Web/CSS/How_to/Layout_cookbook/Column_layouts
Centering an elementhttps://developer.mozilla.org/ja/docs/Web/CSS/How_to/Layout_cookbook/Center_an_element
Card componenthttps://developer.mozilla.org/ja/docs/Web/CSS/How_to/Layout_cookbook/Card
See all…https://developer.mozilla.org/ja/docs/Web/CSS/How_to/Layout_cookbook
JavaScript: Scripting languagehttps://developer.mozilla.org/ja/docs/Web/JavaScript
Standard built-in objectshttps://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Global_Objects
Expressions & operatorshttps://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Operators
Statements & declarationshttps://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Statements
Functionshttps://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Functions
See all…https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference
Control flow & error handlinghttps://developer.mozilla.org/ja/docs/Web/JavaScript/Guide/Control_flow_and_error_handling
Loops and iterationhttps://developer.mozilla.org/ja/docs/Web/JavaScript/Guide/Loops_and_iteration
Working with objectshttps://developer.mozilla.org/ja/docs/Web/JavaScript/Guide/Working_with_objects
Using classeshttps://developer.mozilla.org/ja/docs/Web/JavaScript/Guide/Using_classes
See all…https://developer.mozilla.org/ja/docs/Web/JavaScript/Guide
Web APIs: Programming interfaceshttps://developer.mozilla.org/ja/docs/Web/API
File system APIhttps://developer.mozilla.org/ja/docs/Web/API/File_System_API
Fetch APIhttps://developer.mozilla.org/ja/docs/Web/API/Fetch_API
Geolocation APIhttps://developer.mozilla.org/ja/docs/Web/API/Geolocation_API
HTML DOM APIhttps://developer.mozilla.org/ja/docs/Web/API/HTML_DOM_API
Push APIhttps://developer.mozilla.org/ja/docs/Web/API/Push_API
Service worker APIhttps://developer.mozilla.org/ja/docs/Web/API/Service_Worker_API
See all…https://developer.mozilla.org/ja/docs/Web/API
Using the Web animation APIhttps://developer.mozilla.org/ja/docs/Web/API/Web_Animations_API/Using_the_Web_Animations_API
Using the Fetch APIhttps://developer.mozilla.org/ja/docs/Web/API/Fetch_API/Using_Fetch
Working with the History APIhttps://developer.mozilla.org/ja/docs/Web/API/History_API/Working_with_the_History_API
Using the Web speech APIhttps://developer.mozilla.org/ja/docs/Web/API/Web_Speech_API/Using_the_Web_Speech_API
Using web workershttps://developer.mozilla.org/ja/docs/Web/API/Web_Workers_API/Using_web_workers
All web technologyhttps://developer.mozilla.org/ja/docs/Web
Accessibilityhttps://developer.mozilla.org/ja/docs/Web/Accessibility
HTTPhttps://developer.mozilla.org/ja/docs/Web/HTTP
URIhttps://developer.mozilla.org/ja/docs/Web/URI
Web extensionshttps://developer.mozilla.org/ja/docs/Mozilla/Add-ons/WebExtensions
WebAssemblyhttps://developer.mozilla.org/ja/docs/WebAssembly
WebDriverhttps://developer.mozilla.org/ja/docs/Web/WebDriver
See all…https://developer.mozilla.org/ja/docs/Web
Mediahttps://developer.mozilla.org/ja/docs/Web/Media
Performancehttps://developer.mozilla.org/ja/docs/Web/Performance
Privacyhttps://developer.mozilla.org/ja/docs/Web/Privacy
Securityhttps://developer.mozilla.org/ja/docs/Web/Security
Progressive web appshttps://developer.mozilla.org/ja/docs/Web/Progressive_web_apps
Learn web developmenthttps://developer.mozilla.org/ja/docs/Learn_web_development
Getting started moduleshttps://developer.mozilla.org/ja/docs/Learn_web_development/Getting_started
Core moduleshttps://developer.mozilla.org/ja/docs/Learn_web_development/Core
MDN Curriculumhttps://developer.mozilla.org/en-US/curriculum/
Check out the video course from Scrimba, our partnerhttps://scrimba.com/frontend-path-c0j?via=mdn-learn-navbar
Structuring content with HTML modulehttps://developer.mozilla.org/ja/docs/Learn_web_development/Core/Structuring_content
CSS styling basics modulehttps://developer.mozilla.org/ja/docs/Learn_web_development/Core/Styling_basics
CSS layout modulehttps://developer.mozilla.org/ja/docs/Learn_web_development/Core/CSS_layout
Dynamic scripting with JavaScript modulehttps://developer.mozilla.org/ja/docs/Learn_web_development/Core/Scripting
Playgroundhttps://developer.mozilla.org/en-US/play
HTTP Observatoryhttps://developer.mozilla.org/en-US/observatory
Border-image generatorhttps://developer.mozilla.org/ja/docs/Web/CSS/Guides/Backgrounds_and_borders/Border-image_generator
Border-radius generatorhttps://developer.mozilla.org/ja/docs/Web/CSS/Guides/Backgrounds_and_borders/Border-radius_generator
Box-shadow generatorhttps://developer.mozilla.org/ja/docs/Web/CSS/Guides/Backgrounds_and_borders/Box-shadow_generator
Color format converterhttps://developer.mozilla.org/ja/docs/Web/CSS/Guides/Colors/Color_format_converter
Color mixerhttps://developer.mozilla.org/ja/docs/Web/CSS/Guides/Colors/Color_mixer
Shape generatorhttps://developer.mozilla.org/ja/docs/Web/CSS/Guides/Shapes/Shape_generator
About MDNhttps://developer.mozilla.org/en-US/about
Advertise with ushttps://developer.mozilla.org/en-US/advertising
Communityhttps://developer.mozilla.org/en-US/community
MDN on GitHubhttps://github.com/mdn
Bloghttps://developer.mozilla.org/en-US/blog/
ウェブhttps://developer.mozilla.org/ja/docs/Web
Web APIhttps://developer.mozilla.org/ja/docs/Web/API
ネットワーク情報 APIhttps://developer.mozilla.org/ja/docs/Web/API/Network_Information_API
https://github.com/orgs/mdn/discussions/739
https://developer.mozilla.org/de/docs/Web/API/Network_Information_API
https://developer.mozilla.org/en-US/docs/Web/API/Network_Information_API
https://developer.mozilla.org/es/docs/Web/API/Network_Information_API
https://developer.mozilla.org/fr/docs/Web/API/Network_Information_API
https://developer.mozilla.org/ja/docs/Web/API/Network_Information_API
https://developer.mozilla.org/ko/docs/Web/API/Network_Information_API
https://developer.mozilla.org/pt-BR/docs/Web/API/Network_Information_API
https://developer.mozilla.org/ru/docs/Web/API/Network_Information_API
https://developer.mozilla.org/zh-CN/docs/Web/API/Network_Information_API
https://developer.mozilla.org/zh-TW/docs/Web/API/Network_Information_API
コミュニティーについてもっと知り、仲間になるにはこちらから。https://developer.mozilla.org/ja/docs/MDN/Community/Contributing/Translated_content#アクティブなロケール
https://developer.mozilla.org/en-US/docs/Web/API/Network_Information_API
完全な互換性情報を見る https://developer.mozilla.org/ja/docs/Web/API/Network_Information_API#ブラウザーの互換性
もっと詳しく https://developer.mozilla.org/ja/docs/Glossary/Baseline/Compatibility
ウェブワーカーhttps://developer.mozilla.org/ja/docs/Web/API/Web_Workers_API
NetworkInformationhttps://developer.mozilla.org/ja/docs/Web/API/NetworkInformation
Navigator.connectionhttps://developer.mozilla.org/ja/docs/Web/API/Navigator/connection
WorkerNavigator.connectionhttps://developer.mozilla.org/ja/docs/Web/API/WorkerNavigator/connection
インターフェイスhttps://developer.mozilla.org/ja/docs/Web/API/Network_Information_API#インターフェイス
例https://developer.mozilla.org/ja/docs/Web/API/Network_Information_API#例
仕様書https://developer.mozilla.org/ja/docs/Web/API/Network_Information_API#仕様書
ブラウザーの互換性https://developer.mozilla.org/ja/docs/Web/API/Network_Information_API#ブラウザーの互換性
関連情報https://developer.mozilla.org/ja/docs/Web/API/Network_Information_API#関連情報
インターフェイスhttps://developer.mozilla.org/ja/docs/Web/API/Network_Information_API#インターフェイス
NetworkInformationhttps://developer.mozilla.org/ja/docs/Web/API/NetworkInformation
Navigatorhttps://developer.mozilla.org/ja/docs/Web/API/Navigator
WorkerNavigatorhttps://developer.mozilla.org/ja/docs/Web/API/WorkerNavigator
他のインターフェイスの拡張https://developer.mozilla.org/ja/docs/Web/API/Network_Information_API#他のインターフェイスの拡張
Navigator.connectionhttps://developer.mozilla.org/ja/docs/Web/API/Navigator/connection
NetworkInformationhttps://developer.mozilla.org/ja/docs/Web/API/NetworkInformation
WorkerNavigator.connectionhttps://developer.mozilla.org/ja/docs/Web/API/WorkerNavigator/connection
NetworkInformationhttps://developer.mozilla.org/ja/docs/Web/API/NetworkInformation
例https://developer.mozilla.org/ja/docs/Web/API/Network_Information_API#例
接続の変化の検出https://developer.mozilla.org/ja/docs/Web/API/Network_Information_API#接続の変化の検出
大きなリソースを事前読み込みhttps://developer.mozilla.org/ja/docs/Web/API/Network_Information_API#大きなリソースを事前読み込み
NetworkInformation.typehttps://developer.mozilla.org/ja/docs/Web/API/NetworkInformation/type
NetworkInformation.effectiveTypehttps://developer.mozilla.org/ja/docs/Web/API/NetworkInformation/effectiveType
仕様書https://developer.mozilla.org/ja/docs/Web/API/Network_Information_API#仕様書
Network Information APIhttps://wicg.github.io/netinfo/
ブラウザーの互換性https://developer.mozilla.org/ja/docs/Web/API/Network_Information_API#ブラウザーの互換性
関連情報https://developer.mozilla.org/ja/docs/Web/API/Network_Information_API#関連情報
オンライン／オフラインイベントhttps://developer.mozilla.org/ja/docs/Web/API/Navigator/onLine
協力方法を知るhttps://developer.mozilla.org/ja/docs/MDN/Community/Getting_started
MDN の貢献者https://developer.mozilla.org/ja/docs/Web/API/Network_Information_API/contributors.txt
GitHub でこのページを表示https://github.com/mdn/translated-content/blob/main/files/ja/web/api/network_information_api/index.md?plain=1
このコンテンツに関する問題を報告https://github.com/mdn/translated-content/issues/new?template=page-report-ja.yml&mdn-url=https%3A%2F%2Fdeveloper.mozilla.org%2Fja%2Fdocs%2FWeb%2FAPI%2FNetwork_Information_API&metadata=%3C%21--+Do+not+make+changes+below+this+line+--%3E%0A%3Cdetails%3E%0A%3Csummary%3EPage+report+details%3C%2Fsummary%3E%0A%0A*+Folder%3A+%60ja%2Fweb%2Fapi%2Fnetwork_information_api%60%0A*+MDN+URL%3A+https%3A%2F%2Fdeveloper.mozilla.org%2Fja%2Fdocs%2FWeb%2FAPI%2FNetwork_Information_API%0A*+GitHub+URL%3A+https%3A%2F%2Fgithub.com%2Fmdn%2Ftranslated-content%2Fblob%2Fmain%2Ffiles%2Fja%2Fweb%2Fapi%2Fnetwork_information_api%2Findex.md%0A*+Last+commit%3A+https%3A%2F%2Fgithub.com%2Fmdn%2Ftranslated-content%2Fcommit%2F38c24031e837392176726c8fc6a7c569e7b06ea8%0A*+Document+last+modified%3A+2024-09-01T15%3A56%3A46.000Z%0A%0A%3C%2Fdetails%3E
ネットワーク情報 APIhttps://developer.mozilla.org/ja/docs/Web/API/Network_Information_API
NetworkInformationhttps://developer.mozilla.org/ja/docs/Web/API/NetworkInformation
Navigator.connectionhttps://developer.mozilla.org/ja/docs/Web/API/Navigator/connection
WorkerNavigator.connectionhttps://developer.mozilla.org/ja/docs/Web/API/WorkerNavigator/connection
MDNhttps://developer.mozilla.org/
https://github.com/mdn/
https://bsky.app/profile/developer.mozilla.org
https://x.com/mozdevnet
https://mastodon.social/@mdn
https://developer.mozilla.org/en-US/blog/rss.xml
MDN について https://developer.mozilla.org/en-US/about
ブログ https://developer.mozilla.org/en-US/blog/
Mozilla 求人 https://www.mozilla.org/en-US/careers/listings/
広告掲載について https://developer.mozilla.org/en-US/advertising
MDN Plus https://developer.mozilla.org/en-US/plus
Product help https://support.mozilla.org/products/mdn-plus
MDN コミュニティ https://developer.mozilla.org/en-US/community
コミュニティリソース https://developer.mozilla.org/en-US/docs/MDN/Community
執筆ガイドライン https://developer.mozilla.org/en-US/docs/MDN/Writing_guidelines
MDN Discord https://developer.mozilla.org/discord
MDN on GitHub https://github.com/mdn
ウェブ技術 https://developer.mozilla.org/en-US/docs/Web
ウェブ開発を学ぶ https://developer.mozilla.org/en-US/docs/Learn_web_development
ガイド https://developer.mozilla.org/en-US/docs/MDN/Guides
チュートリアル https://developer.mozilla.org/en-US/docs/MDN/Tutorials
用語集 https://developer.mozilla.org/en-US/docs/Glossary
Hacks blog https://hacks.mozilla.org/
Mozillahttps://www.mozilla.org/
ウェブサイトのプライバシー通知https://www.mozilla.org/privacy/websites/
テレメトリー設定https://www.mozilla.org/en-US/privacy/websites/data-preferences/
法的情報https://www.mozilla.org/about/legal/terms/mozilla
コミュニティ参加ガイドラインhttps://www.mozilla.org/about/governance/policies/participation/
クリエイティブ・コモンズ・ライセンスhttps://developer.mozilla.org/docs/MDN/Writing_guidelines/Attrib_copyright_license

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