XHR finished loading [...] log message

I get a JavaScript console log message each time an Ajax request finishes loading; the issue is demonstrated in the attached screenshot.

I don't know how I activated this logging. How to deactivate it? I'm on ExtJS 4.1.

It's not an extjs issue! You click on the gear icon in the right bottom corner and uncheck Log XMLHttpRequests.

more recent (Chrome 55): open the console, right click the open area, uncheck "Log XMLHttpRequests". OR click the vertical "..." in the top right, go to settings, and uncheck "Log XMLHttpRequests" under the "Console" header.

recent screenshot:

older screenshot:

even older screenshot:

The correct answer belongs to VDP, but I think is about a older Chrome so in my latest
Chrome version is a little bit different the process to hide that requests...

1. Open the developer console
2. Click the console settings like shows the image

3. Then deactivate the option Log
   

4. Refresh the page
5. If is still showing the requests, deactivate some chrome extension of yours and refresh again.

Inspect Element, under the sources you will find a blue icon. Click over this blue icon so that a marked line will be appeared over this icon. Your problem will be solved.

Selected context only img

For me it works using the check Selected context only in the Customize and control DevTool. Chrome Version 66.0.3359.181 (Build official) (64 bits)

Selected context only Image