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Dynamsoft Barcode Reader SDK - JavaScript BarcodeReader Class

The BarcodeReader class is used for image decoding.

BarcodeReader Methods

Initialize and Destroy

The following methods are related to initializing and destroying the BarcodeReader object.

Method Description
createInstance Create a BarcodeReader object.
destroy Destroy the BarcodeReader object.
detectEnvironment Detect the current environment.
isLoaded Check if the decoding module is loaded.
loadWasm Manually load and compile the decoding WASM module.


The following methods are related to decoding barcodes.

Method Description
decode Decode barcodes from images, binary data, URLs, and more.
decodeBase64String Decode barcodes from a base64 encoded string.
decodeBuffer Decode barcodes from raw buffer.
decodeUrl Decode barcodes from a URL.

Parameter and Runtime Settings

The following methods are related to customizing mode and runtime settings.

Method Description
getModeArgument Get argument value for the specified mode parameter.
setModeArgument Set argument value for the specified mode parameter.
getRuntimeSettings Get current runtime settings.
resetRuntimeSettings Reset runtime settings to default.
updateRuntimeSettings Modify and update the current runtime settings.

BarcodeReader Properties

Property Description
_bUseFullFeature If set to true, use the fully-featured WASM module.
bDestroyed Indicates whether a BarcodeScanner object has been destroyed.
bSaveOriCanvas If set to true, save the original image to canvas.
oriCanvas The original canvas element.

BarcodeReader Accessors

Accessors Description
engineResourcePath Get or set the engine (WASM) location.
productKeys Get or set the Dynamsoft Barcode Reader SDK product keys.
version Get current version.

This page is compatible for:

Version 7.5

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