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Run results for:
Remove by splice + findIndex vs filter
Deletion of an element from an array.
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=590815" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36
Browser:
Chrome 133
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
Delete by Splice
103.1M/s
Delete by Filter
52.3M/s
View exact numbers
Test name
Executions per second
✓
Delete by Splice
103,088,392 Ops/sec
Delete by Filter
52,338,712 Ops/sec
HTML Preparation code:
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</script>
Script Preparation code:
/* these functions assume that only one element matches, so they do not loop! */ function deleteBySplice (array, name) { var index = array.findIndex(element => element.name = name); if (index !== -1) { array.splice( index, 1 ); } } function deleteByFilter (array, name) { array = array.filter(element => element !== name); }
Tests:
Delete by Splice
deleteBySplice( array, "7d9nkqdcq9c65jhwdfp5fp3nmi" ); deleteBySplice( array, "m1c6kzws0iubt8g0zlsug14i" ); deleteBySplice( array, "est573afhw1cg83xlxe6ogvi" ); deleteBySplice( array, "doesnotexist" );
Delete by Filter
deleteByFilter( array, "7d9nkqdcq9c65jhwdfp5fp3nmi" ); deleteByFilter( array, "m1c6kzws0iubt8g0zlsug14i" ); deleteByFilter( array, "est573afhw1cg83xlxe6ogvi" ); deleteByFilter( array, "doesnotexist" );