Array concatenation evaluating to string "test"

Asked Sep 12 '20 at 23:29

Active Sep 12 '20 at 23:29

Viewed 30 times

Can any body breakdown why this expression evaluates to "test"

console.log((!+[]+[])[+[]]+(!![]+[])[!+[]+!+[]+!+[]]+(![]+[])[!+[]+!+[]+!+[]]+(!+[]+[])[+[]])

asked Sep 12 '20 at 23:29

Why not experiment by seeing what each part does? – Sep 12 '20 at 23:36
3

Related https://github.com/aemkei/jsfuck – charlietfl Sep 12 '20 at 23:36
2

See [this](https://stackoverflow.com/questions/4170978/explain-why-this-works) thread. – ggorlen Sep 12 '20 at 23:50

0 Answers0