Solve the problem of array processing?

 let keys = ["a", "b"]
 let vals = [
    [111, 222],
    [333, 444]
 ]

expected result:

  [{a:111,b:222},{a:333,b:444}]

Mar.14,2021


reduceforeach

let arr = []
keys.forEach((item, index) => {
    arr[index] = {}
    vals.forEach((k, j) => arr[index][keys[j]] = vals[index][j])
})
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