HTML5 has brought a lot of new features to HTML and whilst we all concentrate on the big advances like canvas, and audio & video, some of the simpler improvements get overlooked. This is the case with the File Reader API, which although not glamorous, is an excellent addition to our toolbox. In terms of browser support the File Reader API is supported by everything modern with the exception of Opera Mini, so you can be confident using it right now. What this new API does is read the contents of a file on...