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Scan QR Code from Video Camera

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This example shows how to scan a QR code with ZXing javascript library from the device video camera. If more than one video input devices are available (for example front and back camera) the example shows how to read them and use a select to change the input device.

Start Reset

Change video source:

Decoding Style: Decode once Decode continuously

Result:

See the source code for this example.

ZXing TypeScript Demo. Licensed under the MIT.