> Doing the same with native technology would have took several weeks of coding, and it wouldn't have been cross-platform. I wrote a PDF viewer in Java(FX) in

> Doing the same with native technology would have took several weeks of coding, and it wouldn't have been cross-platform. I wrote a PDF viewer in Java(FX) in about one evening using PDFbox. There are also PDF components for practically any other desktop app framework you care to name, most of them older and more mature than pdf.js The fact that so many devs express amazement at things considered utterly routine for decades is one of the reasons the entire web dev community is so often treated as a joke. HTML has very few redeeming features as an app platform. It's way past time it gets killed by something better.