For the problem of array splitting, ask for advice.

an array
arr = [{"id": 1393, "sort": 3}, {"id": 1395, "sort": 4}, {"id": 1397, "sort": 5}]
split into two arrays
arr1 = [{"id": 1393, "sort": 3}, {"id": 1397, "sort": 5}] according to sort=4;

Mar.02,2021

arr1 = arr.filter ((elem,index) = > elem.sort! = 4)
arr2 = arr.filter ((elem,index) = > elem.sort = = 4)

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