Hiding Private Data

The video tutorial explains how to secure user profile data by avoiding the exposure of sensitive information like passwords and tokens. It introduces a method to expose only public user data using a custom function and automates this process with the toJSON method. The tutorial also demonstrates how JSON.stringify interacts with the toJSON method to control data exposure in Express applications.

What steps are taken to manipulate the user object before sending it back to the client?

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How does the 'delete' operator function in the context of user data security?

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Describe the process of how data is sent back to the client after implementing the discussed changes.

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What is the outcome of implementing the changes discussed in the text regarding user data?

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