React Js Dropdown onChange Event
React Js Disable Mouse Event:In React.js, the onChange event is used to detect and handle changes in the value of a dropdown component.
When the user selects a different option from the dropdown, the onChange event is triggered, and a corresponding callback function is executed.
This allows developers to respond to the user's selection and perform actions accordingly, such as updating the state of the component or fetching data from an API.
By utilizing the onChange event, React.js enables interactive and dynamic dropdown components that can adapt to user input in real-time.
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What is the syntax for handling the onChange event in a dropdown component in React.js?
This code snippet demonstrates a React.js component that implements a dropdown menu with an onChange event.
The component uses the useState hook from React to manage the state of the selected school. The initial state is an empty string.
The handleDropdownChange function is called whenever the value of the dropdown menu changes. It updates the selectedSchool state with the value of the selected option using event.target.value.
The render method returns a div containing an h1 heading, a select element representing the dropdown menu, and a paragraph to display the selected school. The value attribute of the select element is set to the selectedSchool state, and the onChange attribute is set to the handleDropdownChange function.
Output of React Js Dropdown onChange Event
