Find all occurrences of each ele

Find all occurrences of each element of an array in another array in Javascript - Stack Overflow
I have an array here:a = [1, 1, 2, 3, 4, 5, 5, 6, 7, 7]and another,b = [1, 2, 5]I want to find all occu
Find all occurrences of each element of an array in another array in JavascriptStack Overflow
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