React Starter

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Last edited May 9, 2021

Created on May 9, 2021

This example demonstrates a simple React application with a pet-selection dropdown, showing how to manage and update state through user interaction. The code uses the `useState` hook to track the selected value and passes it to a custom `Dropdown` component built with React’s `select` and `option` elements. ReactDOM renders the `App` component into the DOM, while the dropdown’s `onChange` event triggers `setSelectedValue` to update state and log the choice to the console. The HTML file loads React and ReactDOM from external production scripts.

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React starter code

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