AWS, JavaScript, React - Deploy Web Apps on the Cloud - React Key Property

The video tutorial explains how to use helper functions in React to loop through elements and return JSX. It highlights the importance of using unique key properties in lists to avoid warnings in React. The tutorial demonstrates how to assign unique IDs to elements to help React identify them, ensuring smooth rendering without errors.

Describe the process of creating a blank array and using it to store JSX elements.

What warning do you encounter when the key property is missing in a list of elements?