SyntaxError: Document.querySelector: '#3days-elapsed' is not a valid selector

View details in Rollbar: [https://app.rollbar.com/a/komagata/fix/item/Bootcamp/1779](https://app.rollbar.com/a/komagata/fix/item/Bootcamp/1779)

```

SyntaxError: Document.querySelector: '#3days-elapsed' is not a valid selector
  File "webpack:///./app/javascript/answer.js", line 7, in [anonymous]
          const anchorElement = document.querySelector(answerAnchor)
```