Run results for: Test Unshift vs push + reverse

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.99 Safari/537.36

Browser: Chrome 97

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Push	518.7 Ops/sec
Unshift	0.6 Ops/sec

Script Preparation code:

var a = [];

AخA
 
var a = [];

Tests:

for (let i=0; i<1000; i++){
	a.push(i);
}
a.reverse()

 
for (let i=0; i<1000; i++){    a.push(i);}a.reverse()

for (let i=0; i<1000; i++){
	a.unshift(i);
}

 
for (let i=0; i<1000; i++){    a.unshift(i);}