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​ Here’s a TypeScript developer challenge that shows how optional parameters can get tricky. TypeScript accepts the code without errors. But the moment you call the function with no arguments, it blows up at runtime. Why does this compile cleanly, and what change would you make so the bug is caught during type checking instead of in production? Share your solution in the comments.
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Speakers: Meg Bauman   Read More Google for DevelopersÂ
