If the value is a Number, or is a String value parsable as a number, will return an optional
containing an Integer representation of the value. Otherwise will return an empty optional.
If the value is a Number, or is a String value parsable as a number, will return an optional
containing a Double representation of the value. Otherwise will return an empty optional.
Get an Optional containing a Long if the value held is a Long, a Number, or a String that is
parseable to a Number. Otherwise returns an empty Optional.
true if the value is an instance of Number. Will not coerce or parse.
isJsObject
publicbooleanisJsObject()
Returns:
true if the value held is a JsObject. If true, the originating value may be a javascript object
literal, an instance of a javascript Object, or an array.