# WebViewer not being initialized in firefox

**URL:** <https://pdfjs.community/t/webviewer-not-being-initialized-in-firefox/435>\
**Category:** Technical Support\
**Created:** [January 5, 2021, 12:12pm UTC](https://pdfjs.community/t/webviewer-not-being-initialized-in-firefox/435 "2021-01-05T12:12:20Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Logan](https://yyz1.discourse-cdn.com/flex031/user_avatar/pdfjs.community/logan/32/13_2.png) [@Logan](https://pdfjs.community/u/Logan)\
**Post date:** [January 5, 2021, 5:12pm UTC](https://pdfjs.community/t/webviewer-not-being-initialized-in-firefox/435/2 "2021-01-05T17:12:50Z")

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Looks to be a duplicate of [Pdf js viewer throwing error on Firefox](https://pdfjs.community/t/pdf-js-viewer-throwing-error-on-firefox/429)

Closing for now. Thanks!

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_[View the full topic](https://pdfjs.community/t/webviewer-not-being-initialized-in-firefox/435)._