Navigator:registerProtocolHandler() 方法

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.

NavigatorregisterProtocolHandler() 方法讓網站可以將自己註冊為特定通訊協定的處理者。

語法

js
registerProtocolHandler(scheme, url)
  • protocol 是網站想要處理的 protocol 名稱,用字串表示。
  • uri 是要給 handler 處理的 URI 字串。你可以在字串裡用 "%s" 來代表 escaped 過、需要處理的 URI。

範例

navigator.registerProtocolHandler("mailto",
                                 "https://mail.google.com/mail?view=cm&tf=0&to=%s",
                                 "Google Mail");

這會建立一個 handler,它允許 mailto 的鏈結將使用者帶到 Google Mail,將鏈結中指定的 email 位址插入到 URL。

規範

Specification
HTML
# custom-handlers

瀏覽器相容性

Report problems with this compatibility data on GitHub
desktopmobileserver
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
Deno
Node.js
registerProtocolHandler
scheme parameter supports bitcoin
scheme parameter supports cabal
ExperimentalNon-standard
scheme parameter supports dat
ExperimentalNon-standard
scheme parameter supports did
ExperimentalNon-standard
scheme parameter supports dweb
ExperimentalNon-standard
scheme parameter supports ethereum
ExperimentalNon-standard
scheme parameter supports ftp
Experimental
scheme parameter supports ftps
Experimental
scheme parameter supports geo
scheme parameter supports hyper
ExperimentalNon-standard
scheme parameter supports im
scheme parameter supports ipfs
ExperimentalNon-standard
scheme parameter supports ipns
ExperimentalNon-standard
scheme parameter supports irc
scheme parameter supports ircs
scheme parameter supports magnet
scheme parameter supports mailto
scheme parameter supports matrix
scheme parameter supports mms
scheme parameter supports news
scheme parameter supports nntp
scheme parameter supports openpgp4fpr
scheme parameter supports sftp
Experimental
scheme parameter supports sip
scheme parameter supports sms
scheme parameter supports smsto
scheme parameter supports ssb
ExperimentalNon-standard
scheme parameter supports ssh
scheme parameter supports tel
scheme parameter supports urn
scheme parameter supports webcal
scheme parameter supports wtai
scheme parameter supports xmpp
Secure context required

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support
No support
No support
Experimental. Expect behavior to change in the future.
Non-standard. Check cross-browser support before using.
See implementation notes.