The specified property type 'url' is not recognized on the provided 'Event' type

I came across the error message below

[ts] Property type 'url' does not exist on type 'Event'.

any

This is the TypeScript (JavaScript) code snippet that I am using

document.addEventListener("deviceready", onDeviceReady, false);
    function onDeviceReady() {
      var ref = window.open(url, '_blank', 'location=yes');
      ref.addEventListener('loadstart', function(event) { });
      ref.addEventListener('loadstop', function(event) { });
      ref.addEventListener('loaderror', function(event) { alert( event.url ) });//Property type 'url' does not exist on type 'Event'.
    }

Here are the modules I have imported

import { Component } from '@angular/core';
import { NavController, Platform } from 'ionic-angular';
import { InAppBrowser } from '@ionic-native/in-app-browser';
import { Event } from '@angular/router';

If you can assist with a solution, it would be greatly appreciated!

Answer №1

Your event is identified as InAppBrowserEvent, so make sure to import it and add the appropriate annotation to the parameter:

import { InAppBrowser, InAppBrowserEvent } from '@ionic-native/in-app-browser';
...
...
function onDeviceReady() {
  var instance = window.open(url, '_blank', 'location=yes');
  instance.addEventListener('loadstart', function(event) { });
  instance.addEventListener('loadstop', function(event) { });
  instance.addEventListener('loaderror', function(event: InAppBrowserEvent) { alert( event.url ) }); //InAppBrowserEvent includes 'url' attribute
}

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