- #How to have a component trigger an event in principle app how to#
- #How to have a component trigger an event in principle app install#
- #How to have a component trigger an event in principle app code#
The principle of React hooks will make things easier for us. Once a user clicks the button then the background color gets changed by changing the state. We will initially define the CSS for our app. So, basically, we will change the background color of a container by making use of the onClick() event. Here, we will be creating a small app to understand the concept. So, we will leverage the functionality of React hooks in order to implement our problem statement.
#How to have a component trigger an event in principle app code#
Additionally, it’s much easier and uses less code while building components. It makes the management of the state much easier in React Lifecycle. React hooks helps in managing the state of functional components.Īpproach: The introduction of React hooks is significant while working with functional components. Here, we will be using React hooks to implement the problem statement. Specifically, we will see how an event(onClick) can change the CSS styling. So, In this article, we will see how we can change the CSS styling using React.
How do we trigger the sayHello() function By passing in the name of. In order to achieve this, you need to have the history of events in your hands. eventHistory was provided as a second parameter to help you apply restrictions on your events easily, like tracking a Product-click once. Doing so will trigger the function every time you click the button. If no eventType was specified to the event-listener, it will be called on every event dispatch. The button inside the React component has an onClick event handler attached to it, pointing to our sayHello() function. Time and again we have to manipulate the CSS styling to provide a better appearance to the application we are building. The simple App component above has one function called sayHello(), and a single button. Working on styling is one of the major tasks while creating websites.
#How to have a component trigger an event in principle app how to#
#How to have a component trigger an event in principle app install#