This page is applicable to version 8.2.3
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. |
Decode
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 false, use the compact-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. |
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