Note: this is incomplete and merely an exercise. I took the idea and most of the code from http://odetocode.com/blogs/scott/archive/2013/07/03/building-a-filereader ...

I'm trying to use FileReader object but 'onload' event is not fired. I know that Jest uses jsdom behind the scenes. But I did a test using jsdom only and it worked! Please find below 1) a scenario ...