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Run results for:
splice vs filter (delete from array)
Comparison of "splice" and "filter" methods for removing an element from an array.
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Run details:
User agent:
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Mobile Safari/537.36
Browser:
Chrome Mobile 137
Operating system:
Android
Device Platform:
Mobile
Date tested:
10 months ago
Test name
Executions per second
findIndex, splice
46258.7 Ops/sec
filter
40590.8 Ops/sec
indexOf, splice
50825.7 Ops/sec
indexOf, splice, check
50212.7 Ops/sec
for, splice
30067.9 Ops/sec
Script Preparation code:
var arr = [] for (i = 0; i < 100; i++) { arr.push({}) } var item = arr[arr.length / 2]
Tests:
findIndex, splice
const newArr = Object.create(arr) newArr.splice( newArr.findIndex(i => i === item), 1)
filter
const newArr = Object.create(arr) newArr.filter(i => i !== item)
indexOf, splice
const newArr = Object.create(arr) newArr.splice( newArr.indexOf(item), 1)
indexOf, splice, check
const newArr = Object.create(arr) const index = newArr.indexOf(item) if (index !== -1) { newArr.splice(index, 1) }
for, splice
const newArr = Object.create(arr) for (i = 0; i < newArr.length; i++) { if (newArr[i] === item) { newArr.splice(i, 1) break } }