Handling Events in React Apps

How to Effectively Handle Events in JSX Elements

Event handling in React involves configuring your JSX elements to respond to user interactions on them (such as mouse clicks, form submissions, and element focus).

You can configure React elements to respond to events that occur on them by adding an event listener attribute and a handler to the opening JSX tag.

Here’s the syntax:

<jsxTag onEvent={handleEvent}>UI Content</jsxTag>

• jsxTag: React elements like <div>, <button>, and <input>.

• onEvent: The event listener you want to add to the React element. Some examples are onClick, onBlur, and onHover.

• handleEvent: The event handler function you want to use to handle (respond to) the specified onEvent type.

Tip: Although you can name the event handler anything you prefer, the standard naming convention is to prefix the event’s name with “handle”. For instance, if the event’s name is focus, the handler’s name will be handleFocus.

Types of Event Handlers

There are two typical ways to define the event handler function in React:

• Inline

• Referenced