How to access elements in parentheses in array JavaScript [duplicate]

I want to access all element of the array.

let arr = [(1,3),(2,5)]
console.log(arr)

How can i get access to 1 in arr[0] and 2 in arr[1] ?

let arr = [(1,3),(2,5)]
console.log(arr)

I expect [(1,3),(2,5)] but getting [3,5]