TrackByFunction
interface
An optional function passed into NgForOf that defines how to track items in an iterable (e.g. fby index or id)
interface TrackByFunction<T> {
(index: number, item: T): any
}
Methods
call signature | ||||||
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(index: number, item: T): anyParameters
Returns
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Licensed under the Creative Commons Attribution License 4.0.
https://v7.angular.io/api/core/TrackByFunction