But it is well known (see either "The Good Parts" or "High Performance Javascript" that appending strings is quadratic in JavaScript, and that the best way

But it is well known (see either "The Good Parts" or "High Performance Javascript" that appending strings is quadratic in JavaScript, and that the best way to assemble a large, multipart string is arrayOfStrings.join(''); It's a bit fuzzy now, modern browser optimized that quite a bit, so this mainly applies to older versions of IE.