Q9
The snippet that filters the filtered set is
A.
var t=new FilteredSet(s, {function(s) {return !(x instanceof Set);});
AnswerB.
var t=new FilteredSet{function(s) {return !(x instanceof Set);});
C.
var t=new FilteredSet(s, {function(s) {return (x instanceof Set);});
D.
var t=new FilteredSet(s, {function(s) {return x;});
Answer: Option A
Solution
Answer: Option A
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