Run results for: push vs splice mytest

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.114 Safari/537.36

Browser: Chrome 89

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
push	36.6 Ops/sec
splice	12.6 Ops/sec

Script Preparation code:

const iterations = 1000000;

function push() {
  const arr = [];
  for (let i = 0; i < iterations; i++) {
    arr.push(i);
  }
}

function splice() {
  const arr = [];
  for (let i = 0; i < iterations; i++) {
    arr.splice(i, 0, i);
  }
}

Tests:

push
push();
splice
splice();