Removing pages from PDF using JavaScript

Pages can be removed from the PDF document using the removePages function.

WebViewer(...)
  .then(instance => {
    const { documentViewer } = instance.Core;

    documentViewer.addEventListener('documentLoaded', async () => {
      const doc = documentViewer.getDocument();
      const page1 = 1, page2 = 2, page3 = 3;

      documentViewer.getPageCount(); // 3

      await doc.removePages([page2]);
      documentViewer.getPageCount(); // 2
    })
  });