ObservableChangeEvent (utils)

@ckeditor/ckeditor5-utils/src/observablemixin

observable.set( 'prop', 1 );

observable.on<ObservableChangeEvent<number>>( 'change:prop', ( evt, propertyName, newValue, oldValue ) => {
	console.log( `${ propertyName } has changed from ${ oldValue } to ${ newValue }` );
} );

observable.prop = 2; // -> 'prop has changed from 1 to 2'

Type parameters

• TValue : any

Properties

• args : tuplemodule:utils/observablemixin~ObservableChangeEvent#args

• name : 'change' | `change:${ string }`module:utils/observablemixin~ObservableChangeEvent#name

Fired by

• Observable#change:{property}