@angular/core

SimpleChange

Class

stable

Represents a basic change from a previous to a new value for a single property on a directive instance. Passed as a value in a SimpleChanges object to the ngOnChanges hook.

API

    
      class SimpleChange {}

constructor

SimpleChange

@parampreviousValueany

@paramcurrentValueany

@paramfirstChangeboolean

@returnsSimpleChange

previousValue

any

currentValue

any

firstChange

boolean

isFirstChange

boolean

Check whether the new value is the first value assigned.

@returnsboolean