For those curious, the trick works by creating strings (such as "NaN" or "Infinity") and integers, then treating the strings as arrays and selecting out charact

For those curious, the trick works by creating strings (such as "NaN" or "Infinity") and integers, then treating the strings as arrays and selecting out characters. The [], +, ! and () are assembled in sequences that result in these strings/integers (thanks to Javascript's liberal language rules). Here's a dictionary/more information: http://sla.ckers.org/forum/read.php?24,33349,33405 http://sla.ckers.org/forum/read.php?24,33349,33405