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World Congress 2026 Europe • Jul 9, 2026 • Session details

Extreme Rules Lawyering with the ECMAScript Specifications

Peter Kröner

What happens when you return a Promise directly from a class constructor? Dive into the ECMAScript specifications to exploit semantic loopholes and hijack fundamental JavaScript behaviors.

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Matching moments

4:28 min

Exploring ECMAScript private fields and TypeScript adoption trade-offs

Erick Wendel · World Congress 2023

1:04 min

Evaluating the true impact of bad JavaScript features

Peter Kröner Peter Kröner · World Congress 2025

2:37 min

Addressing the complaints about JavaScript as a programming language

Sasha Shynkevich · LIVE

7:04 min

Exploring browser limits with JavaScript golfing and weird hacks

Chris Heilmann Chris Heilmann +2 · LIVE

2:00 min

Understanding core browser technologies and framework syntax sugar

Sasha Shynkevich · LIVE

3:26 min

Handling edge cases surrounding syntax scope and formatting fallbacks

Ire Aderinokun · World Congress 2022

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