TrackByFunction
interface
| npm Package | @angular/core |
|---|---|
| Module | import { TrackByFunction } from '@angular/core'; |
| Source | core/src/change_detection/differs/iterable_differs.ts |
Interface Overview
interface TrackByFunction<T> {
(index: number, item: T): any
}Description
An optional function passed into NgForOf that defines how to track items in an iterable (e.g. fby index or id)
Members
(index: number, item: T): any
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Licensed under the Creative Commons Attribution License 4.0.
https://v5.angular.io/api/core/TrackByFunction