let answer = []; let arrA = [[1, 4], [3, 4], [3, 10]] let arrB = [[ 1, 4 ], [1, 10], [ 3, 4], [3, 10]]
the results of arrA.indexOf(arrB [i]) == -1 turn out to be false for all.
How can I solve it?
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let answer = []; let arrA = [[1, 4], [3, 4], [3, 10]] let arrB = [[ 1, 4 ], [1, 10], [ 3, 4], [3, 10]]
the results of arrA.indexOf(arrB [i]) == -1 turn out to be false for all.
How can I solve it?