Js odebrat prvek z pole podle názvu

Příklady kódu

3
0

N

var arr = [1, 2, 3, 4, 5, 6, 7, 8, 9, 0]
newArr.splice(1,2)
//remove 1 element from index 2
-1
0

N

let values = [1,2,3,4,5,7,8,9,10]

// only keep n values from an array
values.length = 5

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