The 'any' Type: Escape Hatch

Sometimes you need to work with data where you don't know the exact type in advance, or you're migrating JavaScript code to TypeScript gradually. For these situations, TypeScript provides the any type - your escape hatch from type checking.

The any type allows a variable to hold any value and disables TypeScript's type checking for that variable:

let data: any = 42;
data = "Hello";     // No error
data = true;        // No error
data.foo.bar.baz;   // No error (even though this might crash at runtime)