Run results for: splice VS filter: filtering big list of elements

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36 OPR/122.0.0.0

Browser: Opera 122

Operating system: Windows

Device Platform: Desktop

Date tested: 7 months ago

Test name	Executions per second
filter	43.6 Ops/sec
splice	78.0 Ops/sec

Script Preparation code:

var list = [];
var filterOutList = [10, 100, 1000, 50000, 50100, 50200, 50300, 99999]
for (var i = 0; i < 1000 * 1000; i++) {
  list.push(i);
}

Tests:

filter
list = list.filter((el) => !filterOutList.includes(el))
splice
let i = 0 while(i < list.length) { if (filterOutList.includes(list[i])) { list.splice(i, 1) continue } i++ }