is there a way to open the f12 with a script? [duplicate] - javascript

This question already has answers here:
How can I open the Google Chrome Console from JavaScript? [duplicate]
(3 answers)
Closed 8 years ago.
Well guys,
I am new with javascript, and i have a problem. Exist a script in Javascript that can do virtually what the f12 key does? Just open the console without pressing the f12 key.

With pure JavaScript, running in the brwoser itself, this is not possible.
If you want to do it with an extension, yes it can be done:
This is the documentation for Chrome: https://developer.chrome.com/extensions/devguide.html
This is the FireFox add-on guide: https://developer.mozilla.org/en-US/docs/Firefox_addons_developer_guide

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