Benchmark: forEach(item) vs forEach(item, index, array)

Script Preparation code:

var arr = ['1', '2', '3'];

Tests:

forEach(item) ...
var x; arr.forEach(function(item) { x = item * 10; });
forEach(function(item, index, array) ...
var x; arr.forEach(function(item, index, array) { // index && item not used x = item * 10; });

Rendered benchmark preparation results:

Previous results

Test case name	Result
forEach(item) ...
forEach(function(item, index, array) ...

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Latest run results:

Run details: (Test run date: 5 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36

Browser/OS: Chrome 69 on Windows

Test name	Executions per second
forEach(item) ...	8035539.0 Ops/sec
forEach(function(item, index, array) ...	7687259.0 Ops/sec

forEach(item) vs forEach(item, index, array) (version: 0)