Benchmark: class vs fn: 3 - MeasureThat.net

HTML Preparation code:

<!--your preparation HTML code goes here-->

Script Preparation code:

// Класс с ленивой инициализацией
class StateClass {
  constructor() {
    this._state = null;
  }
  
  getState() {
    if (this._state === null) {
      // Имитация более дорогой операции
      const arr = Array.from({length: 1000}, (_, i) => i * Math.random());
      this._state = { 
        data: arr,
        computed: arr.reduce((a, b) => a + b, 0),
        timestamp: Date.now() 
      };
    }
    return this._state;
  }
}

// Замыкание с ленивой инициализацией
function createStateClosure() {
  let state = null;
  
  return { getState: () => {
    if (state === null) {
      // Имитация более дорогой операции
      const arr = Array.from({length: 1000}, (_, i) => i * Math.random());
      state = { 
        data: arr,
        computed: arr.reduce((a, b) => a + b, 0),
        timestamp: Date.now() 
      };
    }
    return state;
  }
         };
}
const arrClass = Array.from({length: 1000}, (_, i) => new StateClass());
const arrFn = Array.from({length: 1000}, (_, i) => createStateClosure());

arrClass.forEach(i => i.getState());
arrFn.forEach(i => i.getState());

Tests:

arrClass
arrClass.forEach(i => i.getState());
arrFn
arrFn.forEach(i => i.getState());

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
arrClass
arrFn

Fastest: N/A

Slowest: N/A

Latest run results:

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

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:141.0) Gecko/20100101 Firefox/141.0

Browser/OS: Firefox 141 on Windows

View result in a separate tab

arrFn

291K/s

arrClass

272K/s

View exact numbers

Test name	Executions per second
✓ arrFn	290,558 Ops/sec
arrClass	271,502 Ops/sec

class vs fn: 3 (version: 1)

Comparing performance of: `arrClass vs arrFn`

Created: one year ago by: Guest

Go to the latest result

arrClass

arrFn

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

class vs fn: 3 (version: 1)

Comparing performance of: arrClass vs arrFn

Created: one year ago by: Guest

Go to the latest result

arrClass

arrFn

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Related benchmarks

Comparing performance of: `arrClass vs arrFn`