That doesn't work in any javascript interpreter. Semi-colons aren't optional inside the parenthesis of a for statement, according to the spec. http://www.ecma-

That doesn't work in any javascript interpreter. Semi-colons aren't optional inside the parenthesis of a for statement, according to the spec. http://www.ecma-international.org/publications/files/ECMA-ST/ECMA-262.pdf http://www.ecma-international.org/publications/files/ECMA-ST... Section 7.9.2 (page 37)