Windows® 8.1 Apps with HTML5 and JavaScript Unleashed

Working with the WinJS.Binding.List Object

If you want to be notified whenever a change is made to an array of items—in other words, you want to work with an observable collection—then you should use the WinJS.Binding.List object.

The WinJS.Binding.List object wraps a standard JavaScript array in a new object and adds additional methods and events to support change notifications. The WinJS.Binding.List object supports the following events:

iteminserted—Triggered when a new item is added to the list.

itemchanged—Triggered when an item in the list ...