I broke JavaScript (JSF**k)

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JavaScript is a dynamically typed programming language with implicit type casting which lets you write esoteric brainf*ck-like code runnable in JavaScript environments using just six characters. This is known as JSF*ck.

🔗 Links:

Shout out to Siguza on Stack Overflow for providing a full recap of how all of this works. This video is pretty much an animated version of his post:
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What can I do to make my future videos better? Any feedback (especially negative) is greatly appreciated!

AByteofCode
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Brilliant explanation. Gonna go write some aggressively unreadable code now.

sophieAutumnMay
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You certainly will become as great as fireship if you keep continuing this quality of videos

cyber-man
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Finally, something worth to push to production

neociber
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Code obfuscation is pure evil, but JSFuck takes it to whole new level. I appreciate the masterpiece )

firstnamelastname
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I think i've seen this technology somewhere, to obfuscate malware. I was even wondering how JS worked to obtain this level of obfuscation.

malwaretestingfan
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Who would’ve known JavaScript could look so cursed. Keep up the good work : )

benjaminshu
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This is going in my "Actually Useful" folder

thecoweggs
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I love this, it's hilarious that this is possible

olillin
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smh most people will never see the true beauty of JS type coercion. Great video, hope you can continue to produce such great content. Loved your monad video too. Don't worry too much about copying fireship I'm sure you will develop your own style.

askplays
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You can also use atob (decode base64) in order to construct any string you want when you have all uppercase and lowercase numbers

spicybaguette
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I didn't know Functions can be used to evaluate code like that. Very interesting stuff and nice video. (Just got the monad video recommended to me.)

NorbiPeti
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I am very sorry for the reupload! I had given youtube the wrong file which had very low audio levels.

AByteofCode
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You know what they say, garbage in JavaScript out

thestemgamer
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I feel like writing a basic algorithm like this would be a GREAT project to demonstrate your understanding of js. Even a hello world would be a good demonstration that your understanding is above average.

BruceNJeffAreMyFlies
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this is such a great video idk how YouTube isnt showing this to more people!

tommyboii
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SS: I didn't expect to learn something like this today, great work, it was amazing! 💖

selfspectrum
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Hey man subbed. Keep these js vids coming. Loved the monad one.

FS-yqef
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Dude that is insaneeee, real thanks for that one - just came here through the algorithm so your channel is making good progress I guess, keep on!!

pp-vhgg
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beaut now we just need a js to jsf*ck compiler xD

aryajpegasus