What are some best practices in CSS and JavaScript?

What are some best practices in CSS and JavaScript?

Some best practices in CSS include using a consistent naming convention, keeping styles modular, and minimizing specificity. For JavaScript, consider using ES6 features, keeping functions small, and avoiding global variables.

Can you explain why modular CSS is important?

Modular CSS helps in maintaining styles by breaking them into smaller, reusable components. This approach reduces redundancy and makes it easier to manage styles across large projects.

What are some common mistakes to avoid in JavaScript?

Common mistakes in JavaScript include not using 'strict mode', failing to handle asynchronous code properly, and neglecting to validate user input.

How can I improve the performance of my CSS?

To improve CSS performance, minimize the use of complex selectors, reduce the size of CSS files, and use CSS preprocessors to organize your styles.

Are there any tools you recommend for testing CSS and JavaScript?

Yes, tools like Chrome DevTools for debugging, Postman for API testing, and CSSLint for checking CSS quality are highly recommended.