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SimpleChanges

A hashtable of changes represented by SimpleChangeobjects stored at the declared property name they belong to on a Directive or Component. This is the type passed to the ngOnChanges hook.

      
      interface SimpleChanges {
  __index(propName: string): SimpleChange
}
    

参见

方法

__index(propName: string): SimpleChange
      
      __index(propName: string): SimpleChange
    
参数
propName string
返回值

SimpleChange