class
final
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.
class SimpleChange { constructor(previousValue: any, currentValue: any, firstChange: boolean) previousValue: any currentValue: any firstChange: boolean isFirstChange(): boolean }
|
previousValue | any | |
currentValue | any | |
firstChange | boolean |
Property | Description |
---|---|
previousValue: any | Declared in Constructor |
currentValue: any | Declared in Constructor |
firstChange: boolean | Declared in Constructor |
isFirstChange() |
---|
Check whether the new value is the first value assigned. |
|
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Licensed under the Creative Commons Attribution License 4.0.
https://v12.angular.io/api/core/SimpleChange