How to be compatible with lower versions of browsers that do not support Proxy

[yueyanshaosun]

thanks

[dai-shi]

I've never tried, but you might want to try a polyfill, for example, https://github.com/GoogleChrome/proxy-polyfill. Even if it works, it's limited and I wouldn't recommend it for production.

Past discussions: #77 (and #377)