17 lines
444 B
JavaScript
17 lines
444 B
JavaScript
// in A but not in B
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function relative_complement(A, B) {
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return A.filter(function(elem) {return B.indexOf(elem) == -1});
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}
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// in A or in B but not in both
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function symmetric_difference(A,B) {
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return relative_complement(A,B).concat(relative_complement(B,A));
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}
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var a = ["John", "Serena", "Bob", "Mary", "Serena"].unique();
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var b = ["Jim", "Mary", "John", "Jim", "Bob"].unique();
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print(a);
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print(b);
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print(symmetric_difference(a,b));
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