How to Add a “Show More/Show Less” Button to Reveal More Text in Divi

In this tutorial, I will show you how to add a Show More/Show Less button that will reveal hidden text after it’s clicked. This simple method will be useful for long texts, where showing full text by default would break the design of a page. To avoid congesting your website page with long texts, you can hide part of it, enabling your web users to choose whether to display the hidden text. Usually, the hidden text is displayed by clicking on a Show more link or button. To create Show More / Show Less button we will use custom JavaScript

source https://www.worldofwp.com/how-to-add-a-show-more-show-less-button-to-reveal-more-text-in-divi/