Run results for: arr unshift vs push + reverse (large array)

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36

Browser: Chrome 125

Operating system: Linux

Device Platform: Desktop

Date tested: 8 months ago

Test name	Executions per second
unshift	0.2 Ops/sec
push + reverse	50.2 Ops/sec

Script Preparation code:

var arr = [];

AخA
 
var arr = [];

Tests:

for (let i = 0; i < 100000; i++){
  arr.unshift(i);
}

 
for (let i = 0; i < 100000; i++){  arr.unshift(i);}