Uncaught TypeError: Cannot read properties of undefined (reading 'querySelector')

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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:

Guides:

• Integrating PDF.js Express Plus with NPM - 2) Copy static files
• Integrating PDF.js Express Plus with React - 3. Place WebViewer into a component
• Integrating PDF.js Express Viewer with NPM - 2) Copy static files

APIs:

• PDF.js Express Utilities
• UndefinedbeforeDocumentLoaded
• ExpressUtils(optionsopt) - # async extract() → {Promise.}

Forums:

• Am getting this error when loading WebViewer with Vue application
• PDF.js Express Viewer Watermarks
• Parts of PDF text are not displayed - like whiteout has been wiped across