# Minor Issue: Javascript code on preview page is deprecated

**URL:** <https://community.prismic.io/t/minor-issue-javascript-code-on-preview-page-is-deprecated/1218>\
**Category:** Developing with Prismic\
**Created:** [July 14, 2020, 3:19pm UTC](https://community.prismic.io/t/minor-issue-javascript-code-on-preview-page-is-deprecated/1218 "2020-07-14T15:19:45Z")\
**Posts on this page:** 1\
**Showing post:** 2

<div class="post-metadata">

**Author:** ![marcellothearcane](https://dub1.discourse-cdn.com/flex013/user_avatar/community.prismic.io/marcellothearcane/32/224_2.png) [@marcellothearcane](https://community.prismic.io/u/marcellothearcane)\
**Post date:** [July 15, 2020, 6:00am UTC](https://community.prismic.io/t/minor-issue-javascript-code-on-preview-page-is-deprecated/1218/2 "2020-07-15T06:00:17Z")

</div>

This has been answered before!

> [@Deprecated prismic preview script](https://community.prismic.io/t/deprecated-prismic-preview-script/1065):
>
> Hello, I am currently receiving After implementing the suggested script in the \_document.js of my next.js app, I am unable to preview the content. I went to the documentation and it is suggesting the deprecated version. Here is the script I am trying to implement for reference script async defer src="[//static.cdn.prismic.io/prismic.js?repo=my-test-repo&new=true](https://static.cdn.prismic.io/prismic.js?repo=my-test-repo&new=true)" (had to remove the \<\> so it would appear in this post) I would appreciate any guidance. Thank you!

---

_[View the full topic](https://community.prismic.io/t/minor-issue-javascript-code-on-preview-page-is-deprecated/1218)._