> For the complete documentation index, see [llms.txt](https://choubey.gitbook.io/internals-of-deno/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://choubey.gitbook.io/internals-of-deno/bridge/chapter-cover-page.md).

# 4.0 Cover page

<figure><img src="https://4136075195-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MJJDXLU1fV3Te4epBgE%2Fuploads%2F4vi9St4FZCfYJflZj0Me%2F5.png?alt=media&amp;token=6179c7df-2073-47ea-851f-77a6b331372f" alt=""><figcaption></figcaption></figure>