Javascript API Reference - BarcodeReader Parameter and Runtime Settings Methods

getModeArgument

Get the argument value for the specified mode parameter.

getModeArgument(modeName, index, argumentName) returns Promise

Parameters

modeName string
index number
argumentName string

Return Value

Promise<string>

Sample

Read barcodes from live camera

setModeArgument

Set the argument value for the specified mode parameter.

setModeArgument(modeName, index, argumentName, argumentValue) returns Promise

Parameters

• modeName string
• index number
• argumentName string
• argumentValue string

Return Value

Promise<void>

Sample

await reader.setModeArgument("BinarizationModes", 0, "EnableFillBinaryVacancy", "1");

Read barcodes from live camera

Tips and Tricks

• Check out our list of modes and arguments.

Note: Javascript Edition may not support all available modes listed.

getRuntimeSettings

Get the current runtime settings.

getRuntimeSettings() returns Promise

Return Value

Promise<RuntimeSettings>

Sample

Read barcodes from live camera

resetRuntimeSettings

Reset all runtime settings to default values.

resetRuntimeSettings() returns Promise

Return Value

Promise<void>

Sample

Read barcodes from live camera

updateRuntimeSettings

Update the runtime settings with a given object or use the string speed, balance, or coverage to use our preset settings for BarcodeReader. The default setting is coverage.

updateRuntimeSettings(settings) returns Promise

Parameters

Return Value

Promise<void>

Sample

await reader.updateRuntimeSettings('balance');
let settings = await reader.getRuntimeSettings();
settings.barcodeFormatIds = Dynamsoft.EnumBarcodeFormat.BF_ONED;
await reader.updateRuntimeSettings(settings);

Read barcodes from live camera