Run results for: filter vs indexOF (test)

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; moto e(7) plus) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Mobile Safari/537.36

Browser: Chrome Mobile 92

Operating system: Android

Device Platform: Mobile

Date tested: 3 years ago

Test name	Executions per second
indexOf + splice	251.4 Ops/sec
filter	2.5 Ops/sec

Script Preparation code:

var arr = [];
for (var i = 0; i < 1000000; i++) {
  arr.push(Math.floor(Math.random() * 1000));
}
var itemToRemove = arr[Math.floor(Math.random() * 1000000)]

Tests:

indexOf + splice
var result = arr.splice(arr.indexOf(itemToRemove), 1)
filter
var result = arr.filter(el => el !== itemToRemove)

Run results for: filter vs indexOF (test)

filter vs indexOF

indexOf + splice

filter