Run results for: Test JS getter/setter

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36 Edg/119.0.0.0

Browser: Chrome 119

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
obj.aSetter(2);	9841142.0 Ops/sec
obj.aGetter();	12081125.0 Ops/sec
obj.a = 2;	9862920.0 Ops/sec
obj.a;	11977549.0 Ops/sec

Script Preparation code:

var obj = {};

var _a = 1;

obj._a = 1;

obj.aGetter = function() {
  return _a;
}

obj.aSetter = function(val) {
  _a = val;
}

Object.defineProperty(obj, 'a', {
  enumerable: true,
  get: function () {
    return _a;  
  },
  set: function(val) {
    _a = val;
  }     
});

Tests:

obj.aSetter(2);
obj.aSetter(2);
obj.aGetter();
obj.aGetter();
obj.a = 2;
obj.a = 2;
obj.a;
obj.a;

Run results for: Test JS getter/setter

obj.aSetter(2);

obj.aGetter();

obj.a = 2;

obj.a;