Removing pages from PDF using JavaScript

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

JavaScript (SDK v8.0+)

// config.js
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
})

WebViewerInstance DocumentViewer.getDocument DocumentViewer.getPageCount Document.removePages

JavaScript (SDK v6.0+)

// config.js
const { docViewer } = instance;

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

  docViewer.getPageCount(); // 3

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

WebViewerInstance DocumentViewer.getDocument DocumentViewer.getPageCount Document.removePages