SimpleChange
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
}
See also
Constructor
Parameters
|
Properties
| Property | Description |
|---|---|
previousValue: any
|
Declared in constructor. |
currentValue: any
|
Declared in constructor. |
firstChange: boolean
|
Declared in constructor. |
Methods
|
Check whether the new value is the first value assigned. |
ParametersThere are no parameters. Returns
|