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I want to learn JS and now that I have a specific purpose in mind it seems like it might be a good opportunity to start?
Here's what I'm looking to accomplish:
First: can I do all of this with JS?
Second: where should I begin? can you give me some keywords that I can search for that will help me piece this all together?
Third: thanks for reading! I hope for some replies
Of course you can do that with JS. You could study this great book: https://eloquentjavascript.net/
Also read the GreaseMonkey Wiki: https://wiki.greasespot.net/Main_Page
Good luck.