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  • Class based components

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Using React elements to handle events is quite similar to using DOM elements. There are some changes in syntax: CamelCase is used to name React events instead of lowercase. Instead of passing a string as the event handler, JSX allows you to supply a function.

The bread and butter of most modern ReactJS web projects are React class-based components. Simple classes make up these components (made up of multiple functions that add functionality to the application). All ReactJS component classes are child classes of the Component class.

You must utilise the specific React version; else, a build error will occur. AnimationEvent, ChangeEvent, ClipboardEvent, CompositionEvent, DragEvent, FocusEvent, FormEvent, KeyboardEvent, MouseEvent, PointerEvent, TouchEvent, TransitionEvent, WheelEvent are some of the events that are supported.

You should learn React if you intend to use it. React includes class components. So, certainly, you should learn the components of a class.

When a user clicks an element in your app, such as a button, the React onClick event handler allows you to call a function and perform an action. In a React app, event names are typed in camelCase, therefore the onclick event is written as onClick. React event handlers can also be found inside curly brackets.

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