Simple Requirement

[udayms]

How can I display a message, wait for X seconds and then fire a function?

[zackbloom]

You could use a normal timeout:

Messenger().post('test');
setTimeout(myFunction, 5000);

Is your goal to always call a specific function X seconds after any message is shown?

[udayms]

I want something where I can pass to the Messenger call a function that will be fired after the message disappears.

Maybe something like - Messenger().post('Hello', function(){ console.log("function fired after message display!"); });

OR something like - Messenger().post('Hello', fn);

var fn = function(){ console.log("function fired after message display!"); }

OR - Messenger().post({ message: 'hello', callback: fn });

Somehow setTimeout has always seemed like a hack to me :) I would be more comfortable with something callback or event driven.

My two cents :)

[zackbloom]

Sure, you can bind on to the hide event on the message:

var msg = Messenger().post("test")
msg.on('hide', function(){
  // Anything you need
});