formChange

Description

called when any of the form field changes

• event parameter:

  • event: observable

• event parameter type is observable

• it is formGroup valueChanges event it gives the value changed value of the form.

Example

component.ts

onformChanged(event: Observable<any>) {
    let formChange:Observable<any> = event;
    formChange.subscribe((value) => {
        //Other operations here...
        console.log(value);
    });
}

component.html

<ng-mat-forms [Fields]='ngMatFormFields' 
[options]='ngMatFormsOptions' 
(formChange)="onformChanged($event)"></ng-mat-forms>