The Props in React.js are used to pass data from a parent component to a child component as immutable parameters and facilitate the flow of data in a React application.
How to use props? Let’s create a simple component in our react js app and named it “PropsDemo.js” as below. Let’s use this component in app.js file and try to run the application using “npm start” as expected it will simply print a message given in PropsDemo.js file. Now,...
Simple exercise to learn how to use props in React.Props are inputs to a React component. They are data passed down from a parent component to a child component.Let's learn how they work using the example of a simple dating app.
Let’s say we are aware of the user’snameandsurnamebut we don’t know theirage. We can pass those values to the component. React is smart enough to figure out that we only passed some of the props. For the props for which we have not provided an explicit value, React will use the...
Why React Native Flatlist is great? There are some benefitsFlatListhas: The function rendersnative blocksexactlyfor mobile platforms. FlatListdoesn’t require a lot of code. It needs only two props to start and you don’t have to make a fancy style to render the list of items – just use...
Explore this blog and see how and when to use React.useMemo() hook to improve the performance of React components.
Use the defaultProps Property in React to Set Default Values for Props React has the support for assigning default values to props passed using the defaultProps attribute. The default values can be directly assigned and used while rendering the component. interface Props { color? : string; size:...
In pure client-side development, we often use the interface data caching strategy to improve the user experience. Before the latest data is returned, the cached data is used for page rendering. Then in React Native, we can also refer to this idea to optimize the entire process. ...
React developers still have to use the defaultProps property to set default props but implement it differently. Here is a simple example of setting the defaultProps property on a class component. class Child extends React.Component { constructor(props) {} static defaultProps = { number: "number ...
Here are different ways that you can use to make you React Native App Responsive: 1. Utilize Flexbox Flexbox is a powerful layout mechanism that can be used to create a responsive UI. It provides a flexible way to lay out elements on the screen without having to...