medium.com goes to the top by selecting text

[MoonWalker]

Just FYI
Selecting something in the text body of whatever entry hosted on medium.com causes the page goes immediately to the top, like it was refreshed. By selecting text, page calls on a bubble with highlight tool and twitter shortcut, probably that has to do with the strange behavior ... or not.
Debugger gives an immense message, so I can not paste here.

[moonbat]

whatever entry hosted on medium.com

A sample link would've helped. Also you can use code tags (the button with </> in the forum post editor) for long blocks of text, be it troubleshooting info or error messages.

[MoonWalker]

Sorry, some sample link: https://medium.com/technical-excellence ... 8edf009a62

I am not allowed to paste the entire code provided by debugger because it has more than 430 thousand characters and posts allow just 60 thousand. Debugger console provides a code 674 lines long.

Some messages about features "not supported" are these below, but I do not know if they are related with the issue I have described above.

"CORS is not supported on this browser, aborting."
"process.binding is not supported"
"process.chdir is not supported"
"eval is not supported in CSP mode"

By bubble with highlight tool and twitter shortcut, I mean this:

[moonbat]

Can confirm, and can see how horribly annoying it would be when you've read till the bottom of an article and it leaps back to the top. Besides you were asked to provide console output, not debugger code - obviously what you're seeing there is page source which anyone else accessing the site can view for themselves.
Console is useless - nothing there but a 'we're hiring' message.

[Moonchild]

This isn't a browser issue. Their "popper" mini-window is attached to an element that sits at the very top of the page. By focusing it, the browser will scroll to the element (by design), regardless of whether the visual absolutely positioned child will end up out of view as a result.