How to reset form validation on submission of the form in ANGULAR 2

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Here’s how it currently works with Angular 4.1.0 – 5.1.3:

class YourComponent {
    @ViewChild("yourForm")
    yourForm: NgForm;


    onSubmit(): void {
        doYourThing();

        // yourForm.reset(), yourForm.resetForm() don't work, but this does:
        this.yourForm.form.markAsPristine();
        this.yourForm.form.markAsUntouched();
        this.yourForm.form.updateValueAndValidity();
    }
}

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