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How to serialize an input File object to JSON with JavaScript?

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Sometimes, we want to serialize an input File object to JSON with JavaScript.

In this article, we’ll look at how to serialize an input File object to JSON with JavaScript.

How to serialize an input File object to JSON with JavaScript?

To serialize an input File object to JSON with JavaScript, we extract the properties from a file object and put them in a new object.

For instance, we write

const { lastModified, lastModifiedDate, name, size, type } = fileObject;
const newObject = {
  lastModified,
  lastModifiedDate,
  name,
  size,
  type,
};

const fileJson = JSON.stringify(newObject);

to get the propeties from the fileObject file object with destructuring.

Then we put the properties in a new object.

Next, we call JSON.stringify with newObject to convert it into a JSON string.

Conclusion

To serialize an input File object to JSON with JavaScript, we extract the properties from a file object and put them in a new object.

By John Au-Yeung

Web developer specializing in React, Vue, and front end development.

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