message: docs: add a link to "Impact of polymorphism [...]" to the perf notes
  PR Close
diff: @@ -13,7 +13,9 @@ shown here: https://jsperf.com/small-arrays-vs-linked-objects
  ## Monomorphic vs Megamorphic code
  -Great read: [What's up with monomorphism?](http://mrale.ph/blog/2015/01/11/whats-up-with-monomorphism.html)
  +Great reads:
  +- [What's up with monomorphism?](http://mrale.ph/blog/2015/01/11/whats-up-with-monomorphism.html)
  +- [Impact of polymorphism on component-based frameworks like React](http://benediktmeurer.de/2018/03/23/impact-of-polymorphism-on-component-based-frameworks-like-react/)
  1) Monomorphic prop access is 100 times faster than megamorphic.
  2) Monomorphic call is 4 times faster the megamorphic call.
  