この記事はまだボランティアによって 日本語 に翻訳されていません。ぜひ MDN に参加して翻訳を手伝ってください！
この記事を English (US) で読むこともできます。
This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The Client interface represents an executable context such as a Worker, or a SharedWorker. Window clients are represented by the more-specific WindowClient. You can get Client/WindowClient objects from methods such as Clients.matchAll() and Clients.get().
Methods
Client.postMessage()- Sends a message to the client.
Properties
Client.idRead only- The universally unique identifier of the client as a string.
Client.typeRead only- The client's type as a string. It can be "
window", "worker", or "sharedworker". Client.urlRead only- The URL of the client as a string.
Specifications
| Specification | Status | Comment |
|---|---|---|
| Service Workers The definition of 'Client' in that specification. |
Working Draft | Initial definition. |
Browser compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Update compatibility data on GitHub
| Desktop | Mobile | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Basic support | Chrome Full support 40 | Edge Full support 17 | Firefox
Full support
44
| IE No support No | Opera Full support 27 | Safari No support No | WebView Android Full support 40 | Chrome Android Full support 40 | Edge Mobile No support No | Firefox Android Full support 44 | Opera Android Full support 27 | Safari iOS No support No | Samsung Internet Android Full support 4.0 |
frameType | Chrome Full support 43 | Edge Full support 17 | Firefox
Full support
44
| IE No support No | Opera Full support 30 | Safari No support No | WebView Android Full support 43 | Chrome Android Full support 43 | Edge Mobile No support No | Firefox Android Full support 44 | Opera Android Full support 30 | Safari iOS No support No | Samsung Internet Android Full support 4.0 |
id | Chrome Full support 40 | Edge ? | Firefox
Full support
44
| IE No support No | Opera Full support 27 | Safari No support No | WebView Android Full support 40 | Chrome Android Full support 40 | Edge Mobile ? | Firefox Android Full support 44 | Opera Android Full support 27 | Safari iOS No support No | Samsung Internet Android Full support 4.0 |
postMessage | Chrome Full support 45 | Edge ? | Firefox
Full support
44
| IE No support No | Opera Full support 32 | Safari No support No | WebView Android Full support 45 | Chrome Android Full support 45 | Edge Mobile No support No | Firefox Android Full support 44 | Opera Android Full support 32 | Safari iOS No support No | Samsung Internet Android Full support 5.0 |
type | Chrome Full support 60 | Edge ? | Firefox Full support 54 | IE No support No | Opera Full support 47 | Safari No support No | WebView Android Full support 60 | Chrome Android Full support 60 | Edge Mobile ? | Firefox Android Full support 54 | Opera Android Full support 47 | Safari iOS No support No | Samsung Internet Android No support No |
url | Chrome Full support 40 | Edge ? | Firefox
Full support
44
| IE No support No | Opera Full support 27 | Safari No support No | WebView Android Full support 40 | Chrome Android Full support 40 | Edge Mobile ? | Firefox Android Full support 44 | Opera Android Full support 27 | Safari iOS No support No | Samsung Internet Android Full support 4.0 |
Legend
- Full support
- Full support
- No support
- No support
- Compatibility unknown
- Compatibility unknown
- Experimental. Expect behavior to change in the future.
- Experimental. Expect behavior to change in the future.
- See implementation notes.
- See implementation notes.
