login.ts

import { Component } from '@angular/core';
import { NavController } from 'ionic-angular';

@Component({
	selector: 'page-home',
	templateUrl: 'home.html'
})
export class HomePage {
	constructor(public navCtrl: NavController) {

	}
	logIn() {
		(<any>window).FirebasePlugin.verifyPhoneNumber("+841687072421", 60,(credential)=> {
			console.log(credential);

			// ask user to input verificationCode:

    

		}, function(error) {
			console.error(error);
		});
	}
}