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React conditional rendering: 9 methods with examples

Blog post from LogRocket

Post Details
Company
Date Published
Author
Esteban Herrera
Word Count
4,001
Language
-
Hacker News Points
-
Summary

The tutorial provides an in-depth exploration of various methods for implementing conditional rendering in React, a key process for dynamically displaying elements and components based on specific conditions. It examines traditional techniques such as if...else blocks, switch statements, and ternary operators, along with modern approaches like short-circuit AND operators, immediately invoked function expressions (IIFEs), React Hooks, and Fragments, each with its own advantages and limitations in terms of readability, performance, and complexity. The tutorial also touches on the use of higher-order components (HOCs), React subcomponents, and enum objects for more advanced conditional rendering scenarios, highlighting potential pitfalls such as code complexity and performance impacts. Emphasizing the importance of choosing the right method based on the complexity of the logic and the developer's comfort with JavaScript and React concepts, it advocates for simplicity and readability in code design.