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This is the archived documentation for Angular v17. Please visit angular.dev to see this page for the current version of Angular.

IterableChangeRecord

Record representing the item change information.

      
      interface IterableChangeRecord<V> {
  currentIndex: number | null
  previousIndex: number | null
  item: V
  trackById: any
}
    

Properties

Property Description
currentIndex: number | null Read-Only

Current index of the item in Iterable or null if removed.

previousIndex: number | null Read-Only

Previous index of the item in Iterable or null if added.

item: V Read-Only

The item.

trackById: any Read-Only

Track by identity as computed by the TrackByFunction.