3 ms·

20 times is an exaggeration. Yes, using an abstraction layer will of course add some size, but once you gzip and have the client cache it, it's negligible.

• Shorel 15y ago
  Even if bandwidth is the only cost to you, it doesn't mean that client CPU usage by JavaScript can be safely ignored, as it can create a less than optimal experience for customers.
  • SimHacker 15y ago
    Agreed. This should be obvious. It's in the name: mapSTRACTION. Another layer.