How to detect if pdf.js is *default* reader in firefox
Since Firefox 19, there is an internal default PDF reader "pdf.js". How can I detect whether this is the reader by default? This might be what you are looking for... http://www.pinlady.net/PluginDetect/PDFjs/ This will test for it. I can't get to the other link due to corporate firewall. Dunno what it says. Maybe its the same. FIDDLE HERE <iframe src="some.pdf" id="iframe" name="iframe"></iframe> . // FireFox test for PDFJS to display PDFs. Works in 20 & 21. // If you don't test for the browser ... // IE says PDFJS is there. It isn't. // Chrome hangs on the fiddle // Safari for Windows says