Does PDF.js raise an event as I browse between pages?

Question

Does PDF.js raise an event as I browse between pages?

Basically I want to update the URL and add to pushstate when I browse between pages in a PDF.js document.

Does PDF.js raise an event as I browse between pages, and if so what is the event called?

Thanks

Answer 1

Yeah, there is an event named pagechange.

You can use it like that:

document.addEventListener('pagechange', function(e) {
  if (e.pageNumber !== e.previousPageNumber) {
    console.log('page changed from ' + e.previousPageNumber + ' to ' + e.pageNumber);
  }
});

Open the viewer and drop the code above into the console, and see what happens!

Answer 2

Now in v2.1.233 of pdf.js, the event is pagechanging.

Answer 3

The following code worked for me -

window.PDFViewerApplication.eventBus.on('pagechanging', function pagechange(evt) { 
   console.log(evt)
});