May 13
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What are the risks of using the non-null assertion operator (!) in TypeScript? This video covers how it bypasses the compiler's null safety checks, triggers runtime TypeErrors, and shifts type safety responsibility entirely onto the developer — plus safer alternatives like optional chaining and nullish coalescing. Practice answering this question with AI feedback: https://interviewmentor.app?utm_source=youtube&utm_medium=video&utm_campaign=typescript&utm_content=intermediate