MeasureThat.net

Run results for: Test JS getter/setter

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Run details:
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
Chrome 119
Windows
Desktop
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:
​x
 
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;