Which product are you using?
PDF.js Express Viewer
PDF.js Express Version
Detailed description of issue
I am using the free PDF.js Express Viewer.
Can I use the cropPages() function?
Hello, I’m Ron, an automated tech support bot
While you wait for one of our customer support representatives to get back to you, please check out some of these documentation pages:
No, PDF.js Express does not support
cropPage. We share our API documentation with a few other products so there are a few functions listed in there that we don’t actually support. Sorry for the confusion.