Reference The Selected Node
In the Chrome dev tools, if you've selected (highlighted) a node in the DOM, you can reference that node from the console with $0. This is handy if you are debugging or exploring certain parts of a page and need to run commands against that node. For instance, if you were to select the <html> node in the DOM, you could then programmatically check the lang attribute from the console like so:
If there is jQuery on the page and you've selected the node that contains all of the page's content, you can do something like the following:
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