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Add a section about embedding Streamlit Spaces with auto-resizing iframes #691

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Apr 4, 2023
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Add a section about embedding Streamlit Spaces with auto-resizing iframes #691

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Add a section about embedding Streamlit Spaces with auto-resizing ifr…
whitphx Feb 22, 2023
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Update docs/hub/spaces-sdks-streamlit.md
whitphx Apr 4, 2023
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26 changes: 26 additions & 0 deletions docs/hub/spaces-sdks-streamlit.md
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Expand Up @@ -82,4 +82,30 @@ For example, the demo above can be embedded in these docs with the following tag

<iframe src="https://NimaBoscarino-hotdog-streamlit.hf.space" frameBorder="0" height="600" title="Streamlit app" class="container p-0 flex-grow space-iframe" allow="accelerometer; ambient-light-sensor; autoplay; battery; camera; document-domain; encrypted-media; fullscreen; geolocation; gyroscope; layout-animations; legacy-image-formats; magnetometer; microphone; midi; oversized-images; payment; picture-in-picture; publickey-credentials-get; sync-xhr; usb; vr ; wake-lock; xr-spatial-tracking" sandbox="allow-forms allow-modals allow-popups allow-popups-to-escape-sandbox allow-same-origin allow-scripts allow-downloads"></iframe>

## Embed Streamlit Spaces with auto-resizing IFrames

Streamlit has supported automatic iframe resizing since [1.17.0](https://docs.streamlit.io/library/changelog#version-1170) so that the size of the parent iframe is automatically adjusted to fit the content volume of the embedded Streamlit application.

It relies on the [`iFrame Resizer`](https://github.com/davidjbradshaw/iframe-resizer) library, for which you need to add a few lines of code, as in the following example where

- `id` is set to `<iframe />` that is used to specify the auto-resize target.
- The `iFrame Resizer` is loaded via the `script` tag.
- The `iFrameResize()` function is called with the ID of the target `iframe` element, so that its size changes automatically.

We can pass options to the first argument of `iFrameResize()`. See [the document](https://github.com/davidjbradshaw/iframe-resizer/blob/master/docs/parent_page/options.md) for the details.

```html
<iframe
id="your-iframe-id"
src="https://<space-subdomain>.hf.space"
frameborder="0"
width="850"
height="450"
></iframe>
<script src="https://cdn.jsdelivr.net/npm/iframe-resizer@4.3.4/js/iframeResizer.min.js"></script>
<script>
iFrameResize({}, "#your-iframe-id")
</script>
```

Additionally, you can checkout [our documentation](./spaces-embed).