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Code Issues Packages 1 Wiki Activity

Add web APIs to cli/js2/README.md (#6842)

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Ryan Dahl 2020-07-22 13:30:59 -04:00 committed by GitHub
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@ -9,3 +9,51 @@ global scope (like in case of Deno).
Each file is prefixed with a number, telling in which order scripts should be
loaded into V8 isolate. This is temporary solution and we're striving not to
require specific order (though it's not 100% obvious if that's feasible).
## Deno Web APIs
This directory facilities Web APIs that are available in Deno.
Please note, that some implementations might not be completely aligned with
specification.
Some Web APIs are using ops under the hood, eg. `console`, `performance`.
## Implemented Web APIs
- [Blob](https://developer.mozilla.org/en-US/docs/Web/API/Blob): for
representing opaque binary data
- [Console](https://developer.mozilla.org/en-US/docs/Web/API/Console): for
logging purposes
- [CustomEvent](https://developer.mozilla.org/en-US/docs/Web/API/CustomEvent),
[EventTarget](https://developer.mozilla.org/en-US/docs/Web/API/EventTarget)
and
[EventListener](https://developer.mozilla.org/en-US/docs/Web/API/EventListener):
to work with DOM events
- **Implementation notes:** There is no DOM hierarchy in Deno, so there is no
tree for Events to bubble/capture through.
- [fetch](https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/fetch),
[Request](https://developer.mozilla.org/en-US/docs/Web/API/Request),
[Response](https://developer.mozilla.org/en-US/docs/Web/API/Response),
[Body](https://developer.mozilla.org/en-US/docs/Web/API/Body) and
[Headers](https://developer.mozilla.org/en-US/docs/Web/API/Headers): modern
Promise-based HTTP Request API
- [FormData](https://developer.mozilla.org/en-US/docs/Web/API/FormData): access
to a `multipart/form-data` serialization
- [Performance](https://developer.mozilla.org/en-US/docs/Web/API/Performance):
retrieving current time with a high precision
- [setTimeout](https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/setTimeout),
[setInterval](https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/setInterval),
[clearTimeout](https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/clearTimeout):
scheduling callbacks in future and
[clearInterval](https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/clearInterval)
- [Stream](https://developer.mozilla.org/en-US/docs/Web/API/Streams_API) for
creating, composing, and consuming streams of data
- [URL](https://developer.mozilla.org/en-US/docs/Web/API/URL) and
[URLSearchParams](https://developer.mozilla.org/en-US/docs/Web/API/URLSearchParams):
to construct and parse URLSs
- [Worker](https://developer.mozilla.org/en-US/docs/Web/API/Worker): executing
additional code in a separate thread
- **Implementation notes:** Blob URLs are not supported, object ownership
cannot be transferred, posted data is serialized to JSON instead of
[structured cloning](https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API/Structured_clone_algorithm).