what is component in react code example
Example 1: class app extends component syntax
class Welcome extends React.Component {
render() {
return Hello, {this.props.name}
;
}
}
Example 2: react component
/* React Component Template */
export default class MyComponent extends React.Component {
constructor(props) {
super(props);
this.state = {
//state properties here
};
}
render() {
return (
);
}
}
Example 3: what does componentDidCatch do in react
class ErrorBoundary extends React.Component {
constructor(props) {
super(props);
this.state = { hasError: false };
}
static getDerivedStateFromError(error) { // Update state so the next render will show the fallback UI. return { hasError: true }; }
componentDidCatch(error, errorInfo) { // You can also log the error to an error reporting service logErrorToMyService(error, errorInfo); }
render() {
if (this.state.hasError) { // You can render any custom fallback UI return Something went wrong.
; }
return this.props.children;
}
}
Example 4: React Components
class Car extends React.Component {
render() {
return Hi, I am a Car!
;
}
}
Example 5: react component example
const element = ;