Collection-repeat image recycling while loading

platform : IOS
version : 6, 7, 8

while scrolling, if the image to be displayed has not yet downloaded,
the user will be shown the last image that existed in that recycled node’s “spot” until the new one loads.

  1. ion-list has 500 items.
  2. per item has one big image that like (
    • <img ng-src="{{image}} width=“320” height=“180”>