Run results for: Class versus factory

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Browser: Chrome 131

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Factory

3.0M/s

Class

63K/s

View exact numbers

Test name	Executions per second
✓ Factory	2,984,474 Ops/sec
Class	62,666 Ops/sec

HTML Preparation code:

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Tests:

Class
class PositionComponent { constructor(x, y) { if(typeof x !== 'number') throw new Error('x must be a number'); if(typeof y !== 'number') throw new Error('y must be a number'); this.x = x; this.y = y; } } for(let i = 0; i < 1000; i++) { const component = new PositionComponent(i, i); }
Factory
const createPositionComponent = (x, y) => { if(typeof x !== 'number') throw new Error('x must be a number'); if(typeof y !== 'number') throw new Error('y must be a number'); return { x: x, y: y, }; } for(let i = 0; i < 1000; i++) { const component = createPositionComponent(i, i); }