The message service is used by the React app component to subscribe to new messages and push them into the messages array, which is shown in the render method as a list of alert divs. If an empty message is received, the messages array is cleaned, and the messages are automatically removed from the UI.
One of the key advantages of React JS is the ability to reuse components. Developers save time because they don't have to build many codes for the same functionalities. Furthermore, any modifications made to one section of the application will have no effect on other portions of the application.
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