Create a new blank PDF document using JavaScript

To create a new document as a blank PDF.

// use the empty constructor to create a blank PDF
async function main() {
  const doc = await PDFNet.PDFDoc.create();

  // optionally perform some document processing using read write operations 
  // found under 'Editing Page Content' or 'Page Manipulation'

  // save the document to a memory buffer
  const buf = await doc.saveMemoryBuffer(PDFNet.SDFDoc.SaveOptions.e_linearized);

  //optionally save the blob to a file or upload to a server
  const blob = new Blob([buf], { type: 'application/pdf' });
}
PDFNet.runWithCleanup(main);

Read & write a PDF file from/to memory buffer
Full source code which illustrates how to read/write a PDF document from/to memory buffer. This is useful for applications that work with dynamic PDF documents that don't need to be saved/read from a disk.