Uncaught SyntaxError: Failed to execute 'querySelector' on 'Document': '#-5' is not a valid selector.

View details in Rollbar: [https://app.rollbar.com/a/komagata/fix/item/Bootcamp/1777](https://app.rollbar.com/a/komagata/fix/item/Bootcamp/1777)

```

SyntaxError: Failed to execute 'querySelector' on 'Document': '#-5' is not a valid selector.
  File "webpack:///./app/javascript/answer.js", line 7, in [anonymous]
          const anchorElement = document.querySelector(answerAnchor)
```