Run results for: Spread vs Object.assign vs Object.create

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:121.0) Gecko/20100101 Firefox/121.0

Browser: Firefox 121

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Test Spread operator	15832545.0 Ops/sec
Test Object.create	1730335.1 Ops/sec
Test Object.assign	22896494.0 Ops/sec

Script Preparation code:

for (i = 0; i < 10; i++) {}

AخA
 
for (i = 0; i < 10; i++) {}

Tests:

Test Spread operator

const firstObject = { 
  	sampleData: 'Hello world',
	sampleMethod: () => { return true; }
};
const secondObject = {...firstObject};

 
const firstObject = {     sampleData: 'Hello world',    sampleMethod: () => { return true; }};const secondObject = {...firstObject};

Test Object.create

const firstObject = { 
  	sampleData: 'Hello world',
	sampleMethod: () => { return true; }
};
const secondObject = Object.create(firstObject);

 
const firstObject = {     sampleData: 'Hello world',    sampleMethod: () => { return true; }};const secondObject = Object.create(firstObject);

Test Object.assign

const firstObject = { 
  	sampleData: 'Hello world',
	sampleMethod: () => { return true; }
};

const secondObject = Object.assign({}, firstObject);

​x
 
const firstObject = {     sampleData: 'Hello world',    sampleMethod: () => { return true; }};​const secondObject = Object.assign({}, firstObject);