react state cheat sheet code example

Example 1: react cheat sheets

constructor(props) {
  super(props);
  this.state = {
    list: props.initialList
  };
}

// where props aren't used in constructor

constructor() {
  super();
  this.state = {
    list: []
  };
}

Example 2: react cheat sheets

componentDidMount() {
  // good for AJAX: fetch, ajax, or subscriptions.

  // invoked once (client-side only).
  // fires before initial 'render'
}