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Title: HTMLGeolocationElement: watch プロパティ - Web API | MDN

Open Graph Title: HTMLGeolocationElement: watch プロパティ - Web API | MDN

Description: watch は HTMLGeolocationElement インターフェイスのプロパティで、ユーザーの端末位置が変更されるたびにブラウザーが位置データを継続的に更新すべきか、それとも一度だけ取得すべきかを示す論理値を取得および設定します。

Open Graph Description: watch は HTMLGeolocationElement インターフェイスのプロパティで、ユーザーの端末位置が変更されるたびにブラウザーが位置データを継続的に更新すべきか、それとも一度だけ取得すべきかを示す論理値を取得および設定します。

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

direct link

Domain: developer.mozilla.org

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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/HTMLGeolocationElement/watch#content
検索へスキップhttps://developer.mozilla.org/ja/docs/Web/API/HTMLGeolocationElement/watch#search
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HTMLGeolocationElementhttps://developer.mozilla.org/ja/docs/Web/API/HTMLGeolocationElement
watchhttps://developer.mozilla.org/ja/docs/Web/API/HTMLGeolocationElement/watch
https://github.com/orgs/mdn/discussions/739
https://developer.mozilla.org/de/docs/Web/API/HTMLGeolocationElement/watch
https://developer.mozilla.org/en-US/docs/Web/API/HTMLGeolocationElement/watch
https://developer.mozilla.org/fr/docs/Web/API/HTMLGeolocationElement/watch
https://developer.mozilla.org/ja/docs/Web/API/HTMLGeolocationElement/watch
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/HTMLGeolocationElement/watch
Tell us why.https://github.com/web-platform-dx/developer-signals/issues/515
もっと詳しく https://developer.mozilla.org/ja/docs/Glossary/Baseline/Compatibility
完全な互換性情報を見る https://developer.mozilla.org/ja/docs/Web/API/HTMLGeolocationElement/watch#ブラウザーの互換性
HTMLGeolocationElementhttps://developer.mozilla.org/ja/docs/Web/API/HTMLGeolocationElement
watchhttps://developer.mozilla.org/ja/docs/Web/HTML/Reference/Elements/geolocation#watch
値https://developer.mozilla.org/ja/docs/Web/API/HTMLGeolocationElement/watch#値
例https://developer.mozilla.org/ja/docs/Web/API/HTMLGeolocationElement/watch#例
仕様書https://developer.mozilla.org/ja/docs/Web/API/HTMLGeolocationElement/watch#仕様書
ブラウザーの互換性https://developer.mozilla.org/ja/docs/Web/API/HTMLGeolocationElement/watch#ブラウザーの互換性
関連情報https://developer.mozilla.org/ja/docs/Web/API/HTMLGeolocationElement/watch#関連情報
値https://developer.mozilla.org/ja/docs/Web/API/HTMLGeolocationElement/watch#値
Geolocation.watchPosition()https://developer.mozilla.org/ja/docs/Web/API/Geolocation/watchPosition
Geolocation.getCurrentPosition()https://developer.mozilla.org/ja/docs/Web/API/Geolocation/getCurrentPosition
例https://developer.mozilla.org/ja/docs/Web/API/HTMLGeolocationElement/watch#例
基本的な使い方https://developer.mozilla.org/ja/docs/Web/API/HTMLGeolocationElement/watch#基本的な使い方
位置データを継続的に取得https://developer.mozilla.org/ja/docs/Web/API/HTMLGeolocationElement/watch#位置データを継続的に取得
https://developer.mozilla.org/ja/docs/Web/HTML/Reference/Elements/geolocation

https://developer.mozilla.org/ja/docs/Web/HTML/Reference/Elements/p
locationhttps://developer.mozilla.org/ja/docs/Web/API/HTMLGeolocationElement/location_event
HTMLGeolocationElement.positionhttps://developer.mozilla.org/ja/docs/Web/API/HTMLGeolocationElement/position
HTMLGeolocationElement.errorhttps://developer.mozilla.org/ja/docs/Web/API/HTMLGeolocationElement/error
ライブ実行https://mdn.github.io/dom-examples/geolocation-element/basic-watch-example/
ソースコードhttps://github.com/mdn/dom-examples/tree/main/geolocation-element/basic-watch-example
仕様書https://developer.mozilla.org/ja/docs/Web/API/HTMLGeolocationElement/watch#仕様書
The HTML Geolocation Element# dom-htmlgeolocationelement-watchhttps://wicg.github.io/PEPC/geolocation-element.html#dom-htmlgeolocationelement-watch
ブラウザーの互換性https://developer.mozilla.org/ja/docs/Web/API/HTMLGeolocationElement/watch#ブラウザーの互換性
関連情報https://developer.mozilla.org/ja/docs/Web/API/HTMLGeolocationElement/watch#関連情報
https://developer.mozilla.org/ja/docs/Web/HTML/Reference/Elements/geolocation
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/HTMLGeolocationElement/watch/contributors.txt
GitHub でこのページを表示https://github.com/mdn/translated-content/blob/main/files/ja/web/api/htmlgeolocationelement/watch/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%2FHTMLGeolocationElement%2Fwatch&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%2Fhtmlgeolocationelement%2Fwatch%60%0A*+MDN+URL%3A+https%3A%2F%2Fdeveloper.mozilla.org%2Fja%2Fdocs%2FWeb%2FAPI%2FHTMLGeolocationElement%2Fwatch%0A*+GitHub+URL%3A+https%3A%2F%2Fgithub.com%2Fmdn%2Ftranslated-content%2Fblob%2Fmain%2Ffiles%2Fja%2Fweb%2Fapi%2Fhtmlgeolocationelement%2Fwatch%2Findex.md%0A*+Last+commit%3A+https%3A%2F%2Fgithub.com%2Fmdn%2Ftranslated-content%2Fcommit%2Fedcc1964deed385db3f92241ca1bd93e2d62d3ce%0A*+Document+last+modified%3A+2026-02-11T17%3A01%3A38.000Z%0A%0A%3C%2Fdetails%3E
ナビゲーション APIhttps://developer.mozilla.org/ja/docs/Web/API/Navigation_API
HTMLGeolocationElementhttps://developer.mozilla.org/ja/docs/Web/API/HTMLGeolocationElement
HTMLGeolocationElement()https://developer.mozilla.org/ja/docs/Web/API/HTMLGeolocationElement/HTMLGeolocationElement
autolocatehttps://developer.mozilla.org/ja/docs/Web/API/HTMLGeolocationElement/autolocate
errorhttps://developer.mozilla.org/ja/docs/Web/API/HTMLGeolocationElement/error
initialPermissionStatushttps://developer.mozilla.org/ja/docs/Web/API/HTMLGeolocationElement/initialPermissionStatus
invalidReasonhttps://developer.mozilla.org/ja/docs/Web/API/HTMLGeolocationElement/invalidReason
isValidhttps://developer.mozilla.org/ja/docs/Web/API/HTMLGeolocationElement/isValid
permissionStatushttps://developer.mozilla.org/ja/docs/Web/API/HTMLGeolocationElement/permissionStatus
positionhttps://developer.mozilla.org/ja/docs/Web/API/HTMLGeolocationElement/position
watchhttps://developer.mozilla.org/ja/docs/Web/API/HTMLGeolocationElement/watch
locationhttps://developer.mozilla.org/ja/docs/Web/API/HTMLGeolocationElement/location_event
promptactionhttps://developer.mozilla.org/ja/docs/Web/API/HTMLGeolocationElement/promptaction_event
promptdismisshttps://developer.mozilla.org/ja/docs/Web/API/HTMLGeolocationElement/promptdismiss_event
validationstatuschangehttps://developer.mozilla.org/ja/docs/Web/API/HTMLGeolocationElement/validationstatuschange_event
HTMLElementhttps://developer.mozilla.org/ja/docs/Web/API/HTMLElement
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