Steps to reproduce the problem:
1. 
2. 
3. 

What is the expected behavior?
<script>alert(document.domain)</script>

What went wrong?
<script>alert(document.domain)</script>

Did this work before? N/A 

Chrome version: 66.0.3359.126  Channel: stable
OS Version: <script>alert(document.domain)</script>
Flash Version: 

<script>alert(document.domain)</script>