> For the complete documentation index, see [llms.txt](https://insights.gitbook.io/ecomm-doc/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://insights.gitbook.io/ecomm-doc/customize/additional-js.md).

# Additional JS

### Themes > Customize > Additional JS

You should turn on to enable custom javascript, then add code you want to use 

![](/files/r5IE2SDY3GGlQ6G3vYGN)