It is quite misleading to write native code in the same way you write the javascript.
A wothwhile benchmark would test optimized code in all contestant languages.
A wothwhile benchmark would test optimized code in all contestant languages.
I will reiterate my point. There is no point in comparing suboptimal C++ to optimized asm.
Rather than downvoting me, the author if the study ought to rerun the benchmark with optimized C++.