Web/API/BarcodeDetector/BarcodeDetector

Draft This page is not complete.

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

The BarcodeDetector() constructor creates a new BarcodeDetector object which detects linear and two-dimensional barcodes in images.

Syntax

var BarcodeDetector = new BarcodeDetector();

Parameters

barcodeDetectorOptions Optional: An options object containing a series of BarcodeFormats to search for in the subsequent detect() calls. The options are:

formats

An Array of barcode formats as strings. To see a full list of supported formats see the Barcode Detection API overview page.

Examples

This example creates a new barcode detector object, with specified supported formats and tests for browser compatibility.

// create new detector
var barcodeDetector = new BarcodeDetector({formats: ['code_39', 'codabar', 'ean_13']});

// check compatibility
if (barcodeDetector) {
  console.log('Barcode Detector supported!');
} else {
  console.log('Barcode Detector is not supported by this browser.');
}

Specifications

Specification	Status	Comment
Accelerated Shape Detection in ImagesThe definition of 'BarcodeDetector.BarcodeDetector()' in that specification.	Draft	Initial definition.

Browser compatibility

Update compatibility data on GitHub

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
`BarcodeDetector()` constructor Experimental'Non-standard'	Chrome Full support 83	Edge Full support 83	Firefox No support No	IE No support No	Opera Full support Yes	Safari No support No	WebView Android Full support 83	Chrome Android Full support 83	Firefox Android No support No	Opera Android Full support Yes	Safari iOS No support No	Samsung Internet Android Full support 13.0

Legend

Full support: Full support
No support: No support
Experimental. Expect behavior to change in the future.': Experimental. Expect behavior to change in the future.
Non-standard. Expect poor cross-browser support.': Non-standard. Expect poor cross-browser support.

BarcodeDetector() by Mozilla Contributors is licensed under CC-BY-SA 2.5.