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Javascript API Reference - `BarcodeReader` Initialize and Destroy Methods

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.

createInstance

Create a BarcodeReader object.

createInstance() returns Promise

let reader = await Dynamsoft.BarcodeReader.createInstance();

Destroy the BarcodeReader object. Equivalent to the previous method deleteInstance().

destroy() returns Promise

Promise<any>

Detect the current device environment.

detectEnvironment() returns Promise

Promise<any>

Check if the decoding module is loaded.

isLoaded() returns Boolean

Boolean

Dynamsoft.BarcodeReader.isLoaded()

Manually load and compile the decoding module. This method can be used to preload the decoding module to avoid lengthy lazy loading.

loadWasm() returns Promise

Promise<void>