How it’s made: Developing the JavaScript Language through SpiderMonkey

Keynote
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✓ Fullstack Day for free
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✓ Group discount
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Infos
Tuesday, April 20 2021
09:00 - 09:45

As a developer working with JavaScript, you might be curious about how the language evolves; what it takes for an idea to become a functioning part of a JavaScript engine – something that you, as a developer, might use in your work.

In this talk, we will look at this process. By walking in the footsteps of a proposal (Nullish Coalescing) we will see the steps that every proposal must go through to be accepted by Ecma’s TC39 committee, and finally get published by the specification body each spring. Along the way, we will learn a little about how to read specifications. As the last leg of this journey, we will implement the feature together in Firefox’s SpiderMonkey engine, understanding each part of the engine that we work on, and what it means for something to be a "Standard". You will come away from this keynote knowing about the process from start to finish, and hopefully inspired to try your hand at feature implementation or specification writing!

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