Collection.js

    /**
     * Collection.coerce(collection, iterate) -> Array
     * - collection (collection)
     * - iterate (boolean): Whether the collection is readOnly.
     *
     * Coerces a collection into an Array.
     * If the object is readOnly, as with a NodeList, pass the iterate flag
     * to iterate through the collection and create an array of the contents.
     **/
    coerce : function (collection, iterate) {
      if (!iterate) {
        return Array.prototype.slice.call(collection);
      } else {
        var a = [];
        for (var i = 0; i < collection.length; i++) {
          a.push(collection[i]);
        }
        return a;
      }
    },