Web Reference: Learn how to resolve the 'ReferenceError: FileReader is not defined' issue in a Node.js environment to efficiently work with file reading operations. In this article, we’ll take a look at what the FileReader object is, why you might get a ReferenceError when you try to use it, and how to fix the problem. We’ll also provide some code examples to help you get started using the FileReader object in your own projects. Mar 9, 2022 · If you want the code to be used in both environments, You can detect if FileReader is defined, if not use fs or a library that recreates FileReader. I am not sure how you are reading a file in node and the same file in the browser. I think we need more details on how this is supposed to work.
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