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An example of using SerialPort.connected #206

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Aug 29, 2024
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An example of using SerialPort.connected #206

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An example of using SerialPort.connected
chengweih001 Aug 28, 2024
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update sample
chengweih001 Aug 29, 2024
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19 changes: 19 additions & 0 deletions EXPLAINER_BLUETOOTH.md
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Expand Up @@ -220,6 +220,25 @@ applications identify whether a connection attempt is likely to succeed, a
`SerialPort.connected` attribute will be added to indicate whether the port is
logically connected.

The below examples shows how `SerialPort.connected` attribute can be used to
inform user right actions if the Bluetooth device is not powered on or not in
the proximity of the system.

```javascript
// Assuming we have `port`, which is a wireless serial port.
try {
await port.open({baudRate: 115200});
} catch(e) {
if (!port.connected) {
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// Inform the user that the Bluetooth device might be out of range
// or powered off, as it's currently not connectable.
return;
}
// Other types of error handling.
}
```


## Security Considerations

This API change poses security risks that are a superset of those of the Web
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