So just to clarify though. In terms of non-function one liners Array.prototype.slice.call(Array(n)).map(function(item) { return item + 1 }).reduce(function(accum, arg) { return accum * arg }); is more readable?
Plastic card sleeves are devices used to protect trading cards from damage, especially collectible card game cards from wear and tear and to store them.
== Varieties ==
Thanks to the trading card industry, there developed a wide variety of protective devices, including the bulky "top-loader", a rigid plastic case with one open end (essentially a box for a single card) and the less-expensive simple "card sleeve," a card-sized envelope of clear plastic, with one end open. The term may also refer to 9-pocket pages designed to store trading cards in binders or card albums.
== Development ==...