How to re-enable right click so that I can inspect HTML elements in Chrome?

Question

I am looking at a web page which has overwritten the right-click button so to display its own popup HTML element.

This prevents me from using Chrome Developer Tools to

Answer 1

Hi i have a shorter version. this does same as a best answer. (it works on chrome 74.03)

document.querySelectorAll('*').forEach(e => e.oncontextmenu = null)