Get the last item in an array (JavaScript)

Question

1st using length method:
let arr = [22, 44, 66, 60, 7];
let le = arry[arr.length - 1];
console.log(le);
// output: 7

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2nd using slice() method:
let arr = [22, 44, 66, 60, 7];
let le= arr.slice(-1);
// output: 7

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3rd using pop() method:
let arr = [22, 44, 66, 60, 7];
let le= arr.pop();
// output: 7

which one fast?
pop() method

Answer 1

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