You probably already noticed that this page looks very bare. I'm working on a new design and will gradually make adjustments to make this site a little more appealing and accessible. If you notice something that is totally broken, feel free to contact me.
Skip to contentHi my name is Jonas, great to have you here. I am frontend designer/developer at Thalia Bücher, a german omni-channel-bookseller based in Münster, North-Rhine Westphalia.
Do you have any questions? Feel free to get in touch with me by mail or find me on one of the following platforms.
01 Feb 2021
I use Custom Elements a lot. I also like to use .bind(this) in Custom Element event listeners for several reasons. Why this can be a problem if the event listener needs to be removed and how a workaround could look like, i will explain in this post.
18 Jan 2021
This is a step by step guide of how to set up Speedlify to monitor Web Vitals over time and automate it with Gitlab CI.
20 Oct 2020
Lea Verou has written a great article about the failed promise of web components and how this could possibly be fixed.
14 Oct 2020
There is a new way using the Shadow DOM API for Self-Containing Web Components: the declarative Shadow DOM for Server Side Rendering