Benchmark: class private prop and read prop fix test5

Script Preparation code:

class Test1 {
  constructor(name) {
    this.name = name;
  }
}

class Test2 {
  constructor(name) {
    this._name = name;
  }

  get name() {
    return this._name;
  }
}

class Test3 {

  constructor(name) {
    Object.defineProperties(this, {
      name: {
        enumerable  : true,
        configurable: false,
        get() {
          return name;
        }
      }
    });
  }
}

class Test4 {
  #name;

  constructor(name) {
    this.#name = name;
  }

  get name() {
    return this.#name;
  }
}

class Test5 extends Test4 {
}

const a20 = new Array(20).fill(undefined);

function test1() {
  const a = new Test1('test');
  return a20.map(() => a.name === 'test');
}

function test2() {
  const a = new Test2('test');
  return a20.map(() => a.name === 'test');
}

function test3() {
  const a = new Test3('test');
  return a20.map(() => a.name === 'test');
}

function test4() {
  const a = new Test4('test');
  return a20.map(() => a.name === 'test');
}

function test5() {
  const a = new Test5('test');
  return a20.map(() => a.name === 'test');
}

Tests:

test1
test1();
test2
test2();
test3
test3()
test4
test4();
test5 (by extends)
test5();

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
test1
test2
test3
test4
test5 (by extends)

Fastest: N/A

Slowest: N/A

ⓘ Get performance results from real users on your website with Request Metrics.

Website Performance Monitoring by Request Metrics

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.0.0 Safari/537.36

Browser/OS: Chrome 110 on Windows

View result in a separate tab

Test name	Executions per second
test1	9353361.0 Ops/sec
test2	9555166.0 Ops/sec
test3	830130.4 Ops/sec
test4	9582554.0 Ops/sec
test5 (by extends)	7384350.0 Ops/sec

class private prop and read prop fix test5 (version: 3)

class private prop and read prop

Comparing performance of: test1 vs test2 vs test3 vs test4 vs test5 (by extends)

Created: one year ago by: Registered User

Jump to the latest result

test1

test2

test3

test4

test5 (by extends)

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A