New syntax will always look a bit odd at first until we get used to it. I sometimes find nested arrow functions a bit confusing to understand where one function starts and where it ends particularly when they are one liners. This syntax is more concise and personally I find it more readable.
Reasons for the leading dot notation is because I think it's intuitive and also self explanatory: 1) We just remove what is in common on both ends of the expression (like simplifying an algebraic expression). ``` const getEmail = user => user.contacts.email; ``` 2) The leading dot indicates that the expression reads the property of an object that is not statically defined. ``` const getEmail = .contacts.email; ```
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