Understanding any and unknown
Learn how unknown gives you safety where any gives you nothing and how to work with both using guards, assertions, and conversions.
When TypeScript doesn’t know what something is, it sometimes gives up and infers the type any. This might happen when you’re consuming dynamic data, skipping type annotations, or interacting with poorly typed libraries.
At first, any feels helpful—no more compiler complaints. But here’s the hard truth: any turns off TypeScript’s entire type checking system.