._isnull - macmcmeans/localDataStorage GitHub Wiki

localDataStorage._isnull( keyName )

This Memory Key method performs a boolean type check against the value of keyName testing for a null.

EXAMPLE:

● localData._isnull( 'employmentNotes' );   -->   null

🛢 The corresponding disk-based method is isnull.

📝 NOTE: When you need to retrieve a Memory Key's data type, you can use _showtype.