Run results for: class getter/setter vs property

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36

Browser: Chrome 124

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
accessor	18571630.0 Ops/sec
prop	19927282.0 Ops/sec

Script Preparation code:

class TestAccessor {
  _val = 0
  get val() {
    return this._val
  }
  set val(val) {
    this._val = val
  }
}
var testAccessor = new TestAccessor()

class TestProp {
  val = 0
}
var testProp = new TestProp()

Tests:

accessor
testAccessor.val += 1
prop
testProp.val += 1

Run results for: class getter/setter vs property

accessor

prop