Run results for: filter vs indexOF (test)

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Firefox/91.0

Browser: Firefox 91

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
indexOf + splice	808.1 Ops/sec
filter	48.7 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