Run results for: Array splice vs delete

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36 Edg/133.0.0.0

Browser: Chrome 133

Operating system: Windows

Device Platform: Desktop

Date tested: 21 days ago

Test name	Executions per second
delete	67623640.0 Ops/sec
splice	66788616.0 Ops/sec

Script Preparation code:

var array = [].fill(1,0,10000)

AخA
 
var array = [].fill(1,0,10000)

Tests:

delete
for(var x=0; x<array.length; x++){ delete array[x] }
for(var x=0; x<array.length; x++){
delete array[x]
}
splice
while(array.length - 3 > 0){ array.splice(2,1) }
while(array.length - 3 > 0){
array.splice(2,1)
}