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JavaScript Design Patterns

You're reading from  JavaScript Design Patterns

Product type Book
Published in Mar 2024
Publisher Packt
ISBN-13 9781804612279
Pages 308 pages
Edition 1st Edition
Languages
Author (1):
Hugo Di Francesco Hugo Di Francesco
Profile icon Hugo Di Francesco

Table of Contents (16) Chapters

Preface 1. Part 1:Design Patterns
2. Chapter 1: Working with Creational Design Patterns 3. Chapter 2: Implementing Structural Design Patterns 4. Chapter 3: Leveraging Behavioral Design Patterns 5. Part 2:Architecture and UI Patterns
6. Chapter 4: Exploring Reactive View Library Patterns 7. Chapter 5: Rendering Strategies and Page Hydration 8. Chapter 6: Micro Frontends, Zones, and Islands Architectures 9. Part 3:Performance and Security Patterns
10. Chapter 7: Asynchronous Programming Performance Patterns 11. Chapter 8: Event-Driven Programming Patterns 12. Chapter 9: Maximizing Performance – Lazy Loading and Code Splitting 13. Chapter 10: Asset Loading Strategies and Executing Code off the Main Thread 14. Index 15. Other Books You May Enjoy

Loading and running scripts in a worker thread

One of the Next.js Script strategy options is worker, which loads and runs the script in a web worker. In current Next.js versions, this is achieved via a library called Partytown (https://partytown.builder.io/). The following is from the Partytown documentation:

“Partytown is a lazy-loaded library to help relocate resource-intensive scripts into a web worker, and off of the main thread. Its goal is to help speed up sites by dedicating the main thread to your code, and offloading third-party scripts to a web worker.” Partytown home page – https://partytown.builder.io/

To expand on that definition, JavaScript runs in a single-threaded environment in the browser. “Single-threaded” means we only have one entity able to execute compute operations; non-asynchronous work cannot be done in parallel. The main thread in this context is the browser’s JavaScript execution thread. When loading and executing...

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