Fixes:

The "bad" and "good" examples on using arrays to build long strings are not equivalent. If the array is empty, the "bad" code will return <ul></ul> and the "good" code will return <ul><li></li></ul>

http://www.reddit.com/r/javascript/comments/30hyan/airbnb_javascript_style_guide_a_mostly_reasonable/cpsngtz

Thanks Reddit 🍻

@goatslacker