How to delete a property from a JavaScript object?

Hello everyone! I just started learning JavaScript and ran into a problem. I have an object that contains user information: ```javascript const user = { name: 'Ivan', email: 'ivan@example.com', password: 'secret123', role: 'admin' }; ``` I need to delete the `password` property from this object because I want to send the data to the server, but I don't want to pass the password. I tried doing this: ```javascript delete user.password; ``` It seems to work, but I read that `delete` can be slow and is not recommended. Plus, I'm not sure if this is the right approach if I need to delete multiple properties. Please advise how to properly delete properties from an object? Are there alternatives to the `delete` operator? And what should I do if I need to