23andme.com will genotype 1,000,000 markers (SNPs) for $99 + a year of subscription at $9/month. So you get the ACTN3 allele (variation) plus many other genes ... for over 200 disease risks and traits: https://www.23andme.com/health/all/

But not surprise, since javaScript can implement a Y combinator (a Y-combinator is a function that operates other functions to enables recursion when it can't refer to itself from within itself.)