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denoland-deno/runtime/js/README.md
Antoine du Hamel 4b0f22eee7
chore: fix outdated note in runtime/js/README.md (#23673)
Refs:
b4aa153097

I also removed the note about this being a temporary solution, as it
seems fair to assume it's unlikely to change in the foreseeable future,
but I might be wrong.

---------

Signed-off-by: Antoine du Hamel <duhamelantoine1995@gmail.com>
2024-05-05 01:30:53 +00:00

56 lines
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Markdown

# Runtime JavaScript Code
This directory contains Deno runtime code written in plain JavaScript.
Each file is an ES module and is prefixed with a number, telling in which order
scripts should be loaded into V8 isolate.
## 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.
- [location](https://developer.mozilla.org/en-US/docs/Web/API/Window/location)
and [Location](https://developer.mozilla.org/en-US/docs/Web/API/Location).
- [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).