JavaScript string with a double slash in HTML attribute will display as a comment

[Namorzyny]

• VSCode Version: 1.48.2
• OS Version: Microsoft Windows [Version 10.0.19041.450]

Steps to Reproduce:

1. Input some code like: <input type="button" value="text" onclick="location.href='https://www.google.com'">
2. The code will display as a comment:

Does this issue occur when all extensions are disabled?: Yes

[aeschli]

The embedded JavaScript grammar acts strange here.
It's in scope string quotes.single.js but seems to end that scope at :

[alexr00]

Not sure what's going on here. It only occurs if the // is in there. The character before the // will get invalid.illegal.newline.js but I don't know why. Opened an issue for the owners of the html grammar to see if they know more: textmate/html.tmbundle#113