Benchmark: Filter a list to remove all duplicate values

Script Preparation code:

var array = [];
for (let i = 0; i < 100000; i++) {
   array.push(Math.floor((Math.random() * 10) + 1));
}

Tests:

Using indexOf
array.filter((item, index) => array.indexOf(item) != index);
Using lastIndexOf
array.filter((item, index) => array.lastIndexOf(item) != index);

Rendered benchmark preparation results:

Previous results

Test case name	Result
Using indexOf
Using lastIndexOf

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Latest run results:

Run details: (Test run date: 6 months ago)

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.0.0 Safari/537.36

Browser/OS: Chrome 111 on Linux

Test name	Executions per second
Using indexOf	96.8 Ops/sec
Using lastIndexOf	76.8 Ops/sec

Filter a list to remove all duplicate values (version: 0)