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45 lines
2.5 KiB
Markdown
45 lines
2.5 KiB
Markdown
# Deno Web APIs
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This directory facilities Web APIs that are available in Deno.
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Please note, that some of implementations might not be completely aligned with
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specification.
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Some of the Web APIs are using ops under the hood, eg. `console`, `performance`.
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## Implemented Web APIs
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- [Blob](https://developer.mozilla.org/en-US/docs/Web/API/Blob): for
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representing opaque binary data
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- [Console](https://developer.mozilla.org/en-US/docs/Web/API/Console): for
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logging purposes
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- [CustomEvent](https://developer.mozilla.org/en-US/docs/Web/API/CustomEvent),
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[EventTarget](https://developer.mozilla.org/en-US/docs/Web/API/EventTarget)
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and
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[EventListener](https://developer.mozilla.org/en-US/docs/Web/API/EventListener):
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to work with DOM events
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- **Implementation notes:** There is no DOM hierarchy in Deno, so there is no
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tree for Events to bubble/capture through.
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- [URL](https://developer.mozilla.org/en-US/docs/Web/API/URL) and
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[URLSearchParams](https://developer.mozilla.org/en-US/docs/Web/API/URLSearchParams):
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to construct and parse URLSs
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- [fetch](https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/fetch),
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[Request](https://developer.mozilla.org/en-US/docs/Web/API/Request),
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[Response](https://developer.mozilla.org/en-US/docs/Web/API/Response),
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[Body](https://developer.mozilla.org/en-US/docs/Web/API/Body) and
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[Headers](https://developer.mozilla.org/en-US/docs/Web/API/Headers): modern
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Promise-based HTTP Request API
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- [FormData](https://developer.mozilla.org/en-US/docs/Web/API/FormData): access
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to a `multipart/form-data` serialization
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- [Performance](https://developer.mozilla.org/en-US/docs/Web/API/Performance):
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retrieving current time with a high precision
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- [setTimeout](https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/setTimeout),
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[setInterval](https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/setInterval),
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[clearTimeout](https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/clearTimeout):
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scheduling callbacks in future and
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[clearInterval](https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/clearInterval)
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- [Worker](https://developer.mozilla.org/en-US/docs/Web/API/Worker): executing
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additional code in a separate thread
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- **Implementation notes:** Blob URLs are not supported, object ownership
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cannot be transferred, posted data is serialized to JSON instead of
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[structured cloning](https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API/Structured_clone_algorithm).
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