IterableDiffer

From Get docs
< @angular/coreAngular/docs/10/api/core/iterablediffer


IterableDiffer

interface

A strategy for tracking changes over time to an iterable. Used by NgForOf to respond to changes in an iterable by effecting equivalent changes in the DOM.

interface IterableDiffer<V> {
  diff(object: NgIterable<V>): IterableChanges<V> | null
}

Class implementations

  • DefaultIterableDiffer


Methods

Compute a difference between the previous state and the new object state.

diff(object: NgIterable<V>): IterableChanges<V> | null

Parameters
object NgIterable containing the new value.
Returns

IterableChanges<V> | null: an object describing the difference. The return value is only valid until the next diff() invocation.



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Licensed under the Creative Commons Attribution License 4.0.
https://v10.angular.io/api/core/IterableDiffer