em = *, fromIndex:int = 0x7fffffff) : int</span>																<ul class='summary'>
									<li>Finds the position of the last occurrence of a specified item.</li>
								</ul>							</li>
													<li class=''>								
								<a href="#removeAllInstancesOfItem">removeAllInstancesOfItem</a>
																<span class='typeInfo'>(item = *) : Boolean</span>																<ul class='summary'>
									<li>Modifies the list by removing all items that are identical to the specified item.</li>
								<