Run results for: Spread operator vs array push

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36

Browser: Chrome 70

Operating system: Windows

Device Platform: Desktop

Date tested: 6 years ago

Test name	Executions per second
Spread	3352.0 Ops/sec
Push	4355163.5 Ops/sec

Script Preparation code:

buffer = [];

AخA
 
buffer = [];

Tests:

Spread
buffer = [ ...buffer, { foo: 'bar' } ];
buffer = [ ...buffer, { foo: 'bar' } ];
Push
buffer.push({ foo: 'bar' });
buffer.push({ foo: 'bar' });