Run results for: class getter/setter vs property

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:133.0) Gecko/20100101 Firefox/133.0

Browser: Firefox 133

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

prop

664.7M/s

accessor

229.6M/s

View exact numbers

Test name	Executions per second
✓ prop	664,720,384 Ops/sec
accessor	229,577,200 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