Typescript Error: Cannot Find Name 'Window' or 'Document' in JavaScript

├Źndice
  1. Overview:
  2. Solution:
  3. Conclusion:

Overview:

When using TypeScript with JavaScript, you may encounter an error stating that it cannot find the names 'Window' or 'Document'. This error occurs because TypeScript does not recognize these global variables by default. However, there is a way to resolve this error by declaring these variables explicitly.

Solution:

To resolve the 'Cannot Find Name 'Window' or 'Document'' error, you need to declare these variables in a TypeScript declaration file. Here are the steps to follow:

  1. Create a new file called 'global.d.ts' in your project's root directory.
  2. Add the following code to the file:
  3. 
    declare var Window: Window;
    declare var Document: Document;
    
  4. Save the file and restart your TypeScript compiler.

By declaring these variables, TypeScript will now recognize the global objects 'Window' and 'Document', and the error should disappear.

Conclusion:

When using TypeScript with JavaScript, you may encounter errors such as 'Cannot Find Name 'Window' or 'Document''. To resolve this error, you need to declare these variables in a TypeScript declaration file. By doing so, TypeScript will recognize the global objects 'Window' and 'Document', and the error should disappear.

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