SecureBlackbox 2020 Node.js Edition

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Alphabet Property

Alphabet to use for random string generation.

Syntax

 rnd.getAlphabet([callback])
 rnd.setAlphabet( alphabet, [callback])

Default Value

""

Callback

The 'callback' parameter specifies a function which will be called when the operation completes (or an error is encountered). If the 'callback' parameter is not specified, then the method will block and will not return until the operation completes (or an error is encountered).

The callback for the getAlphabet([callback]) method is defined as:

function(err, data){ }

'err' is the error that occurred. If there was no error, then 'err' is 'null'.

'data' is the value returned by the method.

The callback for the setAlphabet([callback]) method is defined as:

function(err){ }

'err' is the error that occurred. If there was no error, then 'err' is 'null'.

'err' has 2 properties which hold detailed information:

err.code
err.message

Remarks

Use this property to provide a list of characters to be used by NextString method. The empty value has a special meaning, and is equivalent to 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'.

Data Type

String

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SecureBlackbox 2020 Node.js Edition - Version 20.0 [Build 8165]