yasuda-benchmark has some benchmarks and code examples.
$ node ./ -c ./example/config
/*
* **** benchmark.js ****
* //==== forEach:array =========//
* [1] "for" 0.012ms
* [2] "Array#each" 0.37ms
* **** func-comparator ****
* //==== forEach:array =========//
* [1] "for" 0.012ms
* [2] "Array#each" 0.37ms
*/