setArray
setArray: function( elems ) {
// <summary>
// Set the jQuery object to an array of elements. This operation is
// completely destructive - be sure to use .pushStack() if you wish to maintain
// the jQuery stack.
// Part of Core
// </summary>
// <returns type="jQuery" />
// <param name="elems" type="Elements">
// An array of elements
// </param>
// Resetting the length to 0, then using the native Array push
// is a super-fast way to populate an object with array-like properties
this.length = 0;
Array.prototype.push.apply( this, elems );
return this;
},