How emit function in firefox extension?

Question

Can i emit function from one file to another in firefox extension? Example:

main.js

data = function() {
   return fn();
}

panel.port.emit("resp", data);

panel.js

self.port.on('resp', function(fn) {
   return fn("some");
});

Answer 1

端口API仅支持JSON可序列化的数据。