Run results for: Array.filter vs. Array.indexOf + splice

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 17_4 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.4 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 17

Operating system: iOS 17.4

Device Platform: Mobile

Date tested: 2 years ago

Array.filter

3.7M/s

Array.indexOf + Array.splice

3.6M/s

View exact numbers

Test name	Executions per second
✓ Array.filter	3,662,938 Ops/sec
Array.indexOf + Array.splice	3,576,650 Ops/sec

Script Preparation code:

var result = [];
var arrayTest = [];
for(var i = 0; i === 10000; i++){
  if(i === 6000){
    arrayTest.push(2);
  }else{
    arrayTest.push(Math.round(Math.random()));
  }
}

Tests:

Array.filter
result = arrayTest.filter(v => v !== 2);
Array.indexOf + Array.splice
result = arrayTest.splice((arrayTest.indexOf(2)-1),1);