April 2023
Intermediate to advanced
298 pages
6h 44m
English
Content preview from Learning JavaScript Design Patterns, 2nd Edition
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Chapter 1. Introduction to Design Patterns
Good code is like a love letter to the next developer who will maintain it!
Design patterns provide a common vocabulary to structure code, making it easier to understand. They help enhance the quality of this connection to other developers. Knowledge of design patterns helps us identify recurring themes in requirements and map them to definitive solutions. We can rely on the experience of others who have encountered a similar problem and devised an optimized method to address it. This knowledge is invaluable as it paves the way for writing or refactoring code to make it maintainable.
Whether on the server or client, JavaScript is a cornerstone of modern web application development. The previous edition of this book focused on several popular design patterns in the JavaScript context. Over the years, JavaScript has significantly evolved as a language in terms of features and syntax. It now supports modules, classes, arrow functions, and template literals that it did not previously. We also have advanced JavaScript libraries and frameworks that have made life easy for many web developers. How relevant, then, are design patterns in the modern JavaScript context?
It’s important to note that traditionally, design patterns are neither prescriptive nor language-specific. You can apply them when you think they fit, but you don’t have to. Like data structures or algorithms, you can still apply classic design patterns using modern programming languages, ...
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