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Q&A How to test if chrome dev tools are open in JavaScript?

Some web sites are able to detect that Developer Tools is open as output a message in a the console. How does JavaScript know that the Chrome DevTools are open? Could this be spoofed?

0 answers  ·  posted 8mo ago by kreijstal‭  ·  edited 8mo ago by Alexei‭

Question javascript chrome
#2: Post edited by user avatar Alexei‭ · 2024-04-07T04:46:25Z (8 months ago)
removed URL to possible malicious content
  • How does JavaScript know that the chrome devtools are open?
  • 1. Go to ARC018.to
  • 2. open the dev tools.
  • As soon as the chrome dev tools are open, arc018 knows and throws a debug statement on your way, meanie!
  • Could this be spoofed?
  • Some web sites are able to detect that Developer Tools is open as output a message in a the console.
  • How does JavaScript know that the Chrome DevTools are open?
  • Could this be spoofed?
#1: Initial revision by user avatar kreijstal‭ · 2024-04-06T23:45:51Z (8 months ago)
How to test if chrome dev tools are open in JavaScript?
How does JavaScript know that the chrome devtools are open?


1. Go to ARC018.to
2. open the dev tools.

As soon as the chrome dev tools are open, arc018 knows and throws a debug statement on your way, meanie!

Could this be spoofed?