array become object after encode/decode

[neoimale]

I found that the statement data instanceof Array in encoding.js is incorrect when checking arrays across iframe, which expected to be true.

Maybe Array.isArray is preferred?
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/isArray#instanceof_vs_isarray

[dmonad]

This was the longest-standing issue here. This will be fixed in the next release!