Run results for: Remove by splice vs 2 slice

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.67 Safari/537.36

Browser: Chrome 87

Operating system: Linux

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Delete by Splice	2418319.0 Ops/sec
Delete by Slice	1688583.0 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) {
  array.splice( 100, 1 );
}

function deleteBySlice (array) {
  [
    ...array.slice(0,100), ...array.slice(101)
  ]
}

Tests:

Delete by Splice
deleteBySplice( array );
Delete by Slice
deleteBySlice( array );

Run results for: Remove by splice vs 2 slice

Deletion of an element from an array.

Delete by Splice

Delete by Slice