Answers for "js array last 3"

25

javascript last element of array

let arr = [1,2,3]
arr[arr.length - 1] //returns last element in an array
Posted by: Guest on June-16-2020
0

javascript get last 2 item in array

const cutOffFirstAndLastFive = (array) => {
  const [first, ...rest] = array;
  return rest.slice(-5);
}

cutOffFirstAndLastFive([1, 55, 77, 88]);

console.log(
  'Tests:',
  JSON.stringify(cutOffFirstAndLastFive([1, 55, 77, 88])),
  JSON.stringify(cutOffFirstAndLastFive([1, 55, 77, 88, 99, 22, 33, 44])),
  JSON.stringify(cutOffFirstAndLastFive([1]))
);
Posted by: Guest on August-26-2021

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