Run results for: Empty array: Splice vs Shift (20)

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36

Browser: Chrome 133

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one month ago

Test name	Executions per second
array.splice()	53471800.0 Ops/sec
array.shift()	108417344.0 Ops/sec

Script Preparation code:

var array = [...Array(40)].map(_=>Math.ceil(Math.random()*40))

AخA
 
var array = [...Array(40)].map(_=>Math.ceil(Math.random()*40))

Tests:

array.splice()
array.splice(0, 20)
array.splice(0, 20)
array.shift()
while (array.length > 20) array.shift();
while (array.length > 20) array.shift();