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API / @angular/core

IterableChangeRecord

Record representing the item change information.

interface IterableChangeRecord<V> { get currentIndex: number | null get previousIndex: number | null get item: V get trackById: any }

子接口

属性

属性名类型说明
currentIndex只读

Current index of the item in Iterable or null if removed.

previousIndex只读

Previous index of the item in Iterable or null if added.

item只读

The item.

trackById只读

Track by identity as computed by the TrackByFunction.