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Learn RxJS from Ben Lesh! Free RxJS Training during the JavaScript Marathon by This Dot Labs

Curious about getting better at functional programming, but haven't had the time or resources to start?

Look no further, because This Dot Labs is bringing you free training with Ben Lesh, the author of RxJS and Co-Founder at This Dot.

In celebration of our new remote, corporate training offerings, we invite you to a few weeks of free, live RxJS courses.

These are just one of the weekly free sessions we're hosting on topics, including Vue, React, Angular, and Web Performance! Find out the full schedule at JavaScript Marathon.

Sign up for any of these free courses today!


Learning about Observables and operators including how to build an Observable from scratch.

Learn about mergeMap, concatMap, switchMap, exhaustMap, and which ones to use, and when.

Learn about Subjects, multicasting, common mistakes, and how to use them properly.

You can RSVP to attend any of these amazing events, hosted by Ben Lesh, by clicking on the hyperlinks above! If you have any questions, or want to learn more about the JavaScript Marathon series, visit, or email us at

This Dot Labs is a modern web consultancy focused on helping companies realize their digital transformation efforts. For expert architectural guidance, training, or consulting in React, Angular, Vue, Web Components, GraphQL, Node, Bazel, or Polymer, visit

This Dot Media is focused on creating an inclusive and educational web for all. We keep you up to date with advancements in the modern web through events, podcasts, and free content. To learn, visit

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