What did you do?
1.Goto a RTL version of MDN ste. eg: https://developer.mozilla.org/fa/
2.Look at small arrows on side of Web Technologies; Learn web development; Developer Tools
3.Look at cat that shows "Help us build better CSS debugging tools!
Which CSS bugs are the worst?
Take the Survey"
4-Look at location of Arrow of "Sign Up now" button
5-From Refrences and
It should be further from the side of the screen or have a larger tap area OR it should be redesigned to comply with common mobile app UX
Add a description, image, and links to the mdn topic page so that developers can more easily learn about it.
To associate your repository with the mdn topic, visit your repo's landing page and select "manage topics."
MDN URL: https://developer.mozilla.org/en-US/docs/Web/API/Response/json
What information was incorrect, unhelpful, or incomplete?
This function can raise exceptions, but these are not documented. Try using it on a response that is not actually JSON, e.g.
Specific section or headline?
Exceptions
What did you expect to see?
The list of possible exceptions and their causes.