WebAssembly image dithering example

[Kagamin]

On Friday, 3 August 2018 at 11:42:18 UTC, Radu wrote:
> It wasn't a question :) it was an example, the way I did mine - 
> you pass the length to the Js side, no need to mess with 
> statics.

With your approach the callee must know what will be done with 
the return value, it's more handy to just have a string and then 
the caller decides what to do with it.