Benchmark: flatMap() vs map().filter() v1

Script Preparation code:

var arr = [];
var i = 0;

while (i <= 1E5) arr[i] = i++;

Tests:

map().filter()
arr.map(x => x/10).filter(x => x % 3)
flatMap()
arr.flatMap(x => { const next = x/100; return next % 3 ? [next] : []})

Rendered benchmark preparation results:

Previous results

Test case name	Result
map().filter()
flatMap()

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Latest run results:

Run details: (Test run date: 2 years ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/98.0.4758.80 Safari/537.36

Browser/OS: Chrome 98 on Mac OS X 10.15.7

Test name	Executions per second
map().filter()	165.7 Ops/sec
flatMap()	52.5 Ops/sec

flatMap() vs map().filter() v1 (version: 0)