IterableDiffer

interface

实现类
方法
diff()

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

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

实现类

DefaultIterableDiffer

方法

diff()

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

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

参数

object

NgIterable

containing the new value.

返回值

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

实现类link

方法link

diff() link

参数

返回值

实现类

方法

diff()