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React security and best practices

Safe React code avoids dangerous HTML injection, unnecessary direct DOM manipulation, state mutation, and side effects during render.

React Medium Theory

React security and best practices

Safe React code avoids dangerous HTML injection, unnecessary direct DOM manipulation, state mutation, and side effects during render.

  • `dangerouslySetInnerHTML` is risky
  • Keep components focused and state colocated
  • Avoid premature optimization and hidden mutation

React security and best practices