wongjiahau/ttap-web

import * as React from "react";
import { Link } from "react-router-dom";

export class FourOhFour extends React.Component {
  constructor(props: {}) {
    super(props);
    this.state = {
      someKey: "someValue",
    };
  }

  public handleClick = () => {
    window.history.go(-1);
  };

  public render() {
    return (
      <div>
        <h1>Sorry, this page is still under construction . . .</h1>
        <button onClick={this.handleClick}>Click here to go back</button>
      </div>
    );
  }

  public componentDidMount() {
    this.setState({ someKey: "otherValue" });
  }
}