Run results for: filter vs splice and indexOf

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36

Browser: Chrome 123

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Filter	24557768.0 Ops/sec
Splice	13945260.0 Ops/sec

Tests:

Filter

let array = [1,2,3,4,5,6,7,8]
const toFilter = [2,4,7]

array = array.filter(item => !toFilter.includes(item));

​x
 
let array = [1,2,3,4,5,6,7,8]const toFilter = [2,4,7]​array = array.filter(item => !toFilter.includes(item));

Splice

let array = [1,2,3,4,5,6,7,8]
const toRemove = [2,4,7]

for (const removeable of toRemove) {
  const index = array.indexOf(removeable);
  if (index > 0) array.splice(index,1);
}

 
let array = [1,2,3,4,5,6,7,8]const toRemove = [2,4,7]​for (const removeable of toRemove) {  const index = array.indexOf(removeable);  if (index > 0) array.splice(index,1);}

Run results for: filter vs splice and indexOf

See if filter is faster than splice method for deletion

Filter

Splice