How do you ensure your React application adheres to security best practices?
Instruction: Outline the measures taken to secure a React application against common web vulnerabilities.
Context: This question probes the candidate's awareness of security considerations in web development, specifically within React applications, and their approach to mitigating risks.
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Prevention: At the code level, I ensure to use React’s built-in features for preventing XSS attacks, such as securely handling user input and leveraging the dangerouslySetInnerHTML property judiciously. React, by design, escapes values embedded in JSX before rendering them, which is a significant safeguard against XSS. However, when manual DOM manipulation is unavoidable, I incorporate DOMPurify to sanitize the input further...