Comment on Get any a-Z char using only []()+{}/. in JavaScript (for XSS obfuscation)parentComments−Tichy16yNot sure, but at first glance it seems to evoke results like "undefined" or "NaN", and cast them to a String. The trickier part might be creating the index into the String.−tptacek16yIndices are easy: 0: 3: +[] 1: 11: ++[[]][+[]] 2: 20: ++[++[[]][+[]]][+[]] 3: 29: ++[++[++[[]][+[]]][+[]]][+[]] (etc)
Comments
Not sure, but at first glance it seems to evoke results like "undefined" or "NaN", and cast them to a String. The trickier part might be creating the index into the String.
Indices are easy: