KeyValueChanges - Angular

An object describing the changes in the Map or {[k:string]: string} since last time KeyValueDiffer#diff() was invoked.

API

interface KeyValueChanges<K, V> {
  forEachItem(fn: (r: KeyValueChangeRecord<K, V>) => void): void;
  forEachPreviousItem(fn: (r: KeyValueChangeRecord<K, V>) => void): void;
  forEachChangedItem(fn: (r: KeyValueChangeRecord<K, V>) => void): void;
  forEachAddedItem(fn: (r: KeyValueChangeRecord<K, V>) => void): void;
  forEachRemovedItem(fn: (r: KeyValueChangeRecord<K, V>) => void): void;
}

forEachItem

void

Iterate over all changes. KeyValueChangeRecord will contain information about changes to each item.