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Just when I thought I've understood JavaScript😫 .... baNaNa! .... This z just crazy!!!
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('b' + 'a' + + 'a' + 'a').toLowerCase()
+ 'a' is NaN
('b' + 'a' + NaN + 'a').toLowerCase()
everything gets casted to string and concatenated
('baNaNa').toLowerCase()
banana
js's type handling is kind of nuts. Try the following
[]+{}*[]+[]+{}*[]+[]+{}*[]+[]+{}*[]+[]+{}*[]+[]+{}*[] + " batman!" -
For those who would like explanation, taken from https://freecodecamp.org/news/...
Unary + operator has higher precedence over binary + operator. So essentially what it does is:
('b'+'a'+ (+'a') + 'a').toLowerCase();
Unary plus triggers numeric conversion for string 'a'. Since the string does not represent a valid number, the result is NaN. On the next step, expression 'ba' + NaN + 'a' is evaluated.
Javascript why? (-‸ლ)
joke/meme
sarcasm is life
javascript