JSFiddle - React, Tailwind, and code Playground

by park kyungdoo

JavaScript

function DNAStrand(dna) {
  return dna.replace(/./g, function(c) {
    return DNAStrand.pairs[c]
  })
}

DNAStrand.pairs = {
  A: 'T',
  T: 'A',
  C: 'G',
  G: 'C',
}