Episode 420

JSJ 414: JavaScript Jabber Still at RxJs Live


December 31st, 2019

40 mins 41 secs

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Special Guests

About this Episode

In this episode of JavaScript Jabber Charles Max Wood continues interviewing speakers at RxJS Live. First, he interviews Mike Ryan and Sam Julien. They gave a talk about Groupby, a little known operator. They overview the common problems other mapping operators have and how Groupby addresses these problems. The discuss with Charles where these types of operators are most commonly used and use an analogy to explain the different mapping operators. 


Next, Charles talks to Tracy Lee. Her talk defines and explains the top twenty operators people should use. In her talk, she shows real-world use cases and warns against gotchas. Tracy and Charles explain that you don’t need to know all 60 operators, most people only need about 5-10 to function. She advises people to know the difference between the different types of operators. Tracy ends her interview by explaining her desire to inspire women and people of minority groups. She and Charles share their passion for diversity and giving everyone the chance to do what they love.


Dean Radcliffe speaks with Charles next and discusses his talk about making React Forms reactive. They discuss binding observables in React and how Dean used this in his business. He shares how he got inspired for this talk and how he uses RxJS in his everyday work.  


The final interview is with Joe Eames, CEO of Thinkster. Joe spoke about error handling. He explains how he struggled with this as did many others so he did a deep dive to find answers to share. In his talk, he covers what error handling is and what it is used for. Joe outlines where most people get lost when it comes to error handling. He also shares the three strategies used in error handling, Retry, Catch and Rethrow and, Catch and Replace. Charles shares his admiration for the Thinkster teaching approach. Joe explains what Thinkster is about and what makes them special. He also talks about The DevEd podcast. 


  • Charles Max Wood


  • Mike Ryan 

  • Sam Julien

  • Tracy Lee

  • Dean Radcliffe

  • Joe Eames


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