BarcodeDetector()
Draft
This page is not complete.
Secure context
This 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 subsequentdetect()
calls. The options are:formats
: AnArray
of barcode formats as strings. To see a full list of supported formats see theBarcode 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 |
---|---|---|
Unknown The definition of 'BarcodeDetector.BarcodeDetector()' in that specification. |
Draft | Initial definition. |
Browser compatibility
BCD tables only load in the browser