router-article-startup

router-article-startup.js

if (document.readyState === "loading") {
  // Loading hasn't finished yet
  document.addEventListener("DOMContentLoaded", startup);
} else {
  // `DOMContentLoaded` has already fired
  startup();
}

function startup() {
  ReactDOM.render(
    <Home
      todos={todos}
      pathArr={window.location.pathname.split("/").slice(1)}
    />,
    document.getElementById("container")
  );
}