# A Large-Scale JavaScript Re-Learning Initiative

DevFeed: [A Large-Scale JavaScript Re-Learning Initiative](<https://devfeed.tech/articles/a-large-scale-javascript-re-learning-initiative-27950.md>)

Original publisher: [Read original article](<https://tech.trivago.com/post/2017-01-11-espresso-re-learning-initiative/>)

Author: Tom Bartel

Published: 2017-01-11T00:00:00Z

Content type: article

Language: en

Sources: [Trivago](<https://devfeed.tech/sources/trivago.md>)

Topics: [JavaScript](<https://devfeed.tech/topics/javascript.md>), [Development](<https://devfeed.tech/topics/development.md>), [Framework](<https://devfeed.tech/topics/framework.md>), [Redux](<https://devfeed.tech/topics/redux.md>), [ui](<https://devfeed.tech/topics/ui.md>)

Tags: [architecture](<https://devfeed.tech/tags/architecture.md>), [component](<https://devfeed.tech/tags/component.md>), [developers](<https://devfeed.tech/tags/developers.md>), [engineering-culture](<https://devfeed.tech/tags/engineering-culture.md>), [framework](<https://devfeed.tech/tags/framework.md>), [functional](<https://devfeed.tech/tags/functional.md>), [javascript](<https://devfeed.tech/tags/javascript.md>), [redux](<https://devfeed.tech/tags/redux.md>), [training](<https://devfeed.tech/tags/training.md>), [workshops](<https://devfeed.tech/tags/workshops.md>)

## AI overview

The article describes trivago's Project Espresso, an initiative to roll out a new JavaScript component and rendering framework in its Hotel Search application. It explains the training challenges involved in teaching about 40 developers with different skill levels, covering topics such as unidirectional data flow, Redux, Twig templates, and component-based development.

## Source excerpt

While rolling out our brand-new JavaScript framework to the trivago Hotel Search, we started the largest teaching initiative that our dev department has seen so far. 40 developers, many workshops, many screencasts, some newly discovered teaching talent, some frustration, a lot of puzzle pieces. Read how it went.