What Is the Data Type of React Event?


Larry Thompson

The data type of a React event is an important concept to understand when working with React.js. React events are similar to native browser events, but they have some key differences that make them more suitable for the React framework.

Understanding React Events

In React, events are objects that contain information about an action that occurred on a specific element in the user interface. These actions can include clicking a button, typing into an input field, or scrolling on a page.

React Event Data Structure

A React event object contains various properties and methods that provide useful information about the event. Some commonly used properties include:

  • target: Refers to the DOM element on which the event occurred.
  • type: Indicates the type of event that was triggered (e.g., “click”, “change”, “scroll”).
  • currentTarget: Points to the component instance that handles the event.
  • preventDefault(): A method used to prevent the default behavior associated with an event (e., preventing a form from submitting).

Example Usage

To handle events in React, you typically define event handlers as methods within your component’s class. Here’s an example of how you can handle a button click event:

{`class MyComponent extends React.Component {
   handleClick(event) {
      console.log('Button clicked!');

   render() {
      return (

In this example, when the button is clicked, the handleClick method is called, and the event object is passed as an argument. You can then access properties of the event object like event.target or event.type.


In conclusion, the data type of a React event is an object that contains useful information about an action that occurred on a specific element in the user interface. By understanding how to work with React events and their properties, you can create interactive and dynamic user interfaces in your React applications.

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