BarcodeDetector.getSupportedFormats() - Web APIs 编辑

Draft

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Secure context

This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.

The getSupportedFormats() static method of the BarcodeDetector interface returns a Promise which fulfills with an Array of supported barcode format types.

Syntax

var supportedFormats = BarcodeDetector.getSupportedFormats();

Parameters

This method receives no parameters.

Return value

An Array of supported barcode format types.

Exceptions

No exceptions are thrown.

Examples

The following example calls the getSupportFormat() static method and logs the results to the console.

// check supported types
BarcodeDetector.getSupportedFormats()
  .then(supportedFormats => {
    supportedFormats.forEach(format => console.log(format));
  });

Specifications

Browser compatibility

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