Run results for: Remove by splice vs filter with a known index

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Mobile Safari/537.36

Browser: Chrome Mobile 125

Operating system: Android

Device Platform: Mobile

Date tested: 4 months ago

Test name	Executions per second
Delete by Splice	362749.1 Ops/sec
Delete by Filter	105597.8 Ops/sec

HTML Preparation code:

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</script>

Script Preparation code:

function deleteBySplice (array, index) {
  const newArray = [...array];
  newArray.splice(index, 1);
  return newArray;
}

function deleteByFilter (array, index) {
  return array.filter((el, i) => i !== index);
}

Tests:

Delete by Splice
deleteBySplice(array, 1); deleteBySplice(array, 100); deleteBySplice(array, 200);
Delete by Filter
deleteByFilter(array, 1); deleteByFilter(array, 100); deleteByFilter(array, 200);

Run results for: Remove by splice vs filter with a known index

Deletion of an element from an array with a known index.

Delete by Splice

Delete by Filter