Barcode Detection API All In One

条形码 / 一维条形码 / 二维条形码（二维码）

demo

function testBarcodeDetector() {
  // Feature detection.
  if (!('BarcodeDetector' in window)) {
    return false;
  } else {
    // Check supported barcode formats.
    BarcodeDetector.getSupportedFormats()
    .then((formats) => {
      console.log('formats =', formats, typeof formats)
      for (const [i, format] of formats.entries()) {
        console.log(`BarcodeDetector SupportedFormat ${i} = ${format}`);
      }
    });
    return true;
  }
}
testBarcodeDetector();

// true
// formats = (11) ['aztec', 'code_128', 'code_39', 'code_93', 'data_matrix', 'ean_13', 'ean_8', 'itf', 'pdf417', 'qr_code', 'upc_e']