Wrapping you code into a try/catch block decreases performance even more, you don't want to do that. You might want to check it out: https://github.com/GoogleCh

Wrapping you code into a try/catch block decreases performance even more, you don't want to do that. You might want to check it out: https://github.com/GoogleChrome/proxy-polyfill https://github.com/GoogleChrome/proxy-polyfill