title: SCRIPT1053: Const must be initialized in IE 11, d3.js
body: <p>I'm using react d3.js. It crashes when running on IE 11. how to fix this problem. thanks</p>
  <p><a href="https://i.stack.imgur.com/bSarP.png" rel="nofollow noreferrer">SCRIPT1053: Const must be initialized</a></p>