How does the input below output as 'fail'?

Asked Jun 24 '20 at 06:38

Active Jun 24 '20 at 06:42

Viewed 54 times

How does this:

(![] + [])[+[]] +
(![] + [])[+!+[]] +
([![]] + [][[]])[+!+[] + [+[]]] +
(![] + [])[!+[] + !+[]];

out put as 'fail'?

asked Jun 24 '20 at 06:38

alec wilson

2

See: [Why does ++\[\[\]\]\[+\[\]\]+\[+\[\]\] return the string “10”?](https://stackoverflow.com/q/7202157) | [Why does ++\[\[\]\]\[+\[\]\]+\[+\[\]\] return the string “10”?](https://stackoverflow.com/q/7202157) | [(!\[\]+\[\])\[+\[\]\]… Explain why this works](https://stackoverflow.com/q/4170978) | [How “NaNundefined”\[10\] =“e” Or (\[+\[\]\[\[\]\]\]+\[\]\[\[\]\])\[++\[\[\]\]\[+\[\]\]+\[+\[\]\]\] = “e”?](https://stackoverflow.com/q/14646173) | [Why does \[\[\[!!\[\]+\[\]\]+\[\]\]+\[\]\]\[+\[\]\]\[+\[\]\] evaluate to t?](https://stackoverflow.com/q/46220914) – VLAZ Jun 24 '20 at 06:50
Does this answer your question? [Why does ++\[\[\]\]\[+\[\]\]+\[+\[\]\] return the string "10"?](https://stackoverflow.com/questions/7202157/why-does-return-the-string-10) – Wouter Aug 07 '22 at 14:43

0 Answers0