Templates using only front end (html, js, css)

Question

First time posting on stackoverflow!

I am wondering if there is a way to use templates, and especially something similar to this:

{% extends "./templates/base.html" %}

only using FRONT-END (no server side) to create a webapp with multiple pages, all of them extending a base template.

Answer 1

Chris G gave me a good lead. Because english is not my first language, my google queries were not leading anywhere. After using exactly what Chris said, i found this answering my question. Cheers and thanks to everyone that helped!