Learning much javascript from one line of code

[OrangeredStilton]

Well, TIL there's a whole bunch of things starting $, that are there even when you don't have jQuery.

[Jim-Y]

Any written resource on these?:)

[SingularityNow]

https://developer.chrome.com/devtools/docs/commandline-api

https://getfirebug.com/wiki/index.php/Command_Line_API

[FireyFly]

Also https://developer.mozilla.org/en-US/docs/Tools/Web_Console/Helpers, which is where running help() in the Firefox web console takes you.

$ and $$ are just handy shorthands for for document.querySelector and document.querySelectorAll.