Index[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] Objects data type defining detection 2nd 3rd document dot event global history literals location Math methods navigator overview properties screen String testing existence this keyword window Octal numbers Onblur Onchange Onsubmit Open() data request Open(), document Opener property Opera browser identification string overview reporting browser bugs Operands Operating system, browser identification string Operators ! (NOT) != (inequality) !== (non-identity) % (modulo) () (execute function) 2nd 3rd * (multiplication) + (concatenate) 2nd + (plus) 2nd ++ (increment) += (assignment) - (subtraction) - (unary negation) -- (decrement) -= (assignment) / (division) /= (assignment) < (less-than) <= (less-than-or-equal-to) = (assignment) 2nd == (equality) === (identity) > (greater-than) >= (greater-than-or-equal-to) ? (conditional) AND (&&) 2nd arithmetic bitwise boolean operands overview precedence return value | | (OR) 2nd Options OR (| |) operator 2nd OuterHTML OuterText |