Creates a converter that converts an input control to the one replacing undefined value with fallback one.
undefined
Treats null values as undefined. Despite the signature does not allow nulls they are often used instead. E.g. when receiving JSON from server.
null
Input value type.
A fallback value that is used instead of original one when undefined (ornull) is assigned to converted control.
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Creates a converter that converts an input control to the one replacing
undefinedvalue with fallback one.Treats
nullvalues asundefined. Despite the signature does not allow nulls they are often used instead. E.g. when receiving JSON from server.