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16.1: Introducing Type Declarations - Coggle Diagram

- - - - Go to Type Definition
    - - /Applications/Visual Studio.../node_modules/typescript/lib/lib.dom.d.ts
      - which contains type definition
        
        interface Console { ... dir(item?: any, options?: any): void; log(...data: any[]): void;
    - - TypeScript knows about the dom
      - it's built-in