Run results for: pop vs index for array

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36

Browser: Chrome 133

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

pop check

58.6M/s

last-index check

36.3M/s

View exact numbers

Test name	Executions per second
✓ pop check	58,603,360 Ops/sec
last-index check	36,346,192 Ops/sec

Script Preparation code:


function popLast() {
  var arr = [0,1,2,3,4,5,6,7,8,9];
  const element = arr.pop();
  return element;
}

function indexLast() {
  var arr = [0,1,2,3,4,5,6,7,8,9];
  const element = arr[arr.lenght - 1];
  return element;
}

Tests:

pop check
popLast();
last-index check
indexLast();

Run results for: pop vs index for array

Comparing pop method vs last index check for an array element

pop check

last-index check