# PDF.js Viewer search function on mobile

**URL:** <https://pdfjs.community/t/pdf-js-viewer-search-function-on-mobile/1367>\
**Category:** Technical Support\
**Created:** [February 10, 2022, 5:12pm UTC](https://pdfjs.community/t/pdf-js-viewer-search-function-on-mobile/1367 "2022-02-10T17:12:35Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![system](https://canada1.discourse-cdn.com/flex031/uploads/pdfjscommunity/original/1X/ffbcd25c7d423db8d5acd5db201c272f4db306dd.png) [@system](https://pdfjs.community/u/system)\
**Post date:** [February 10, 2022, 5:12pm UTC](https://pdfjs.community/t/pdf-js-viewer-search-function-on-mobile/1367/3 "2022-02-10T17:12:40Z")

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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:
- [Best practices for PDF.js Express - Store annotations](https://pdfjs.express/documentation/learn-more/best-practices#store-annotations)
- [React PDF.js Viewer](https://pdfjs.express/documentation/react)
- [Angular PDF.js Viewer](https://pdfjs.express/documentation/angular)

APIs:
- [UI - disableClearSearchOnPanelClose()](https://pdfjs.express/api/UI.html#.disableClearSearchOnPanelClose__anchor)
- [PDF.js Express Utilities](https://pdfjs.express/api/utils/index.html#__anchor)
- [ExpressUtils(optionsopt) - # async watermark(options) → {Promise.}](https://pdfjs.express/api/utils/ExpressUtils.html#watermark__anchor)

Forums:
- [Express functionality questions](https://pdfjs.community/t/express-functionality-questions/1189/1)
- [Page transition issues in PDF.js viewer](https://pdfjs.community/t/page-transition-issues-in-pdf-js-viewer/1364/1)
- [Webviewer not scrolling downwards automatically when doing annotation](https://pdfjs.community/t/webviewer-not-scrolling-downwards-automatically-when-doing-annotation/1321/1)

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