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Javascript Code Smells: 7 to Watch out For
- Code smells are signs in your code that indicate potential deeper problems and should be investigated and addressed to improve code quality.
- Defining JavaScript code smells helps developers identify warning signs in their code that might indicate underlying issues.
- Some common JavaScript code smells include too many indentation levels, long functions, too many parameters, complex code, copy-pasted code, wrong use of equality, and comments or dead code.
- Excessive indentation levels can make code harder to read and understand, leading to maintenance challenges.
- Long functions are more challenging to troubleshoot and understand, so keeping them concise is essential for code maintainability.
- Functions with too many parameters can be harder to work with and may indicate a need for refactoring to simplify the code.
- High cyclomatic complexity in code can make it difficult to reason about and test effectively, impacting code quality.
- Avoiding copy-pasted code and ensuring proper use of equality operators can help maintain code clarity and prevent errors.
- Removing unnecessary comments and dead code is important for keeping code documentation accurate and minimizing confusion.
- Being aware of and addressing these code smells can lead to improved JavaScript codebases through refactoring and adopting best practices.
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