Run results for: Getter vs Direct Read

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36

Browser: Chrome 119

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Getter	11370359.0 Ops/sec
Property	13909928.0 Ops/sec

Script Preparation code:

class Cat1 {
  constructor(name) {
    this.name = name;
  }
}

class Cat2 {
  constructor(name) {
    this.fields = {
      name,
    };
  }

  get name() {
    return this.fields.name;
  }
}

var cat1 = new Cat1("Cleo");
var cat2 = new Cat2("Felicia");

Tests:

Getter
cat2.name;
Property
cat1.name;

Run results for: Getter vs Direct Read

Getter

Property