W3cubDocs

/Angular

KeyValueChangeRecord

interface stable

Record representing the item change information.

interface KeyValueChangeRecord<K, V> {
  get key: K
  get currentValue: V | null
  get previousValue: V | null
}

Properties

Property Type Description
key K Read-only.

Current key in the Map.

currentValue V | null Read-only.

Current value for the key or null if removed.

previousValue V | null Read-only.

Previous value for the key or null if added.

© 2010–2018 Google, Inc.
Licensed under the Creative Commons Attribution License 4.0.
https://angular.io/api/core/KeyValueChangeRecord