How to hide and unhide thumbnail pages on button click?

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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:

• Set up measurement tools
• Best practices for PDF.js Express - Preload the Web Viewer
• PDF.js Express Viewer Overview - Select an integration or framework to get started - Frameworks

APIs:

• PDF.js Express Utilities
• ExpressUtils(optionsopt) - # async set() → {Promise.}
• Core.Tools.Tool - new Tool(docViewer)

Forums:

• How can we create our custom thumbnail panel beside our viewer?
• How can we integrate a side layout of all pdf pages on outside of the viewer
• How to show only one page at a time in viewer