component render react code example

Example 1: shouldcomponentupdate

shouldComponentUpdate(nextProps, nextState) {
  return true;
}

Example 2: react.component

class Welcome extends React.Component {
  render() {
    return <h1>Hello, {this.props.name}</h1>;
  }
}

Example 3: component did mmount

componentDidUpdate(prevProps, prevState, snapshot)