troubleshooting Question

Javascript Array Comparison and return whats different

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restockit asked on
4 Comments1 Solution5511 ViewsLast Modified:
I need to compare two array's
arraya = "test1", "test2","test3", "test4"
arrayb = "test1", "test2","test3","test4", "test5", "test6"

I need an array returned with whats different
new array = test5, test6

If see examples of the returning whats the same.
but i need the opposite.
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