Google map info window left arrow,right arrow passing TypeError: Cannot read property '__e3_' of undefined?

Google map info window left arrow,right arrow passing TypeError: Cannot read property '__e3_' of undefined?

By : a4ron
Date : November 22 2020, 09:00 AM
this will help The error Cannot read property '__e3_' of undefined usually occurs when object for google.maps.event.trigger function could not be found or invalid. In your case the specified error occurs in two cases:
1) markerClick event is triggered,at some point you are getting marker out of bounds array.
code :
    if (i<0) i=$scope.markers.length-1;
    if (i >= $scope.markers.length) i=0;         
    google.maps.event.trigger( $scope.markers[i], 'click' );

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Google Maps API: Uncaught TypeError: Cannot read property '__e3_' of undefined

Google Maps API: Uncaught TypeError: Cannot read property '__e3_' of undefined

By : Tryhelp
Date : March 29 2020, 07:55 AM
may help you . When I moved the map definition to a point before the marked buggy code, it worked. I added the var map = new google.map.Map to right after the map options.
code :
  var myOptions = {
     streetViewControl: false,
     overviewMapControl: true,
    zoom: 14,
    mapTypeId: google.maps.MapTypeId.ROADMAP

var map = new google.maps.Map(document.getElementById('weather-map'), myOptions);

var cloudLayer = new google.maps.weather.CloudLayer();


elevator = new google.maps.ElevationService();
google.maps.event.addListener(map, 'click', getElevation);
Uncaught TypeError: Cannot read property '__e3_' of undefined

Uncaught TypeError: Cannot read property '__e3_' of undefined

By : kaiming zhou
Date : March 29 2020, 07:55 AM
will be helpful for those in need Move the creation of map to the top of the function.
Currently you use map as map-option for markers, where it's expected to be a google.maps.Map-instance(but it's undefined, because the map isn't created yet)
JavaScript & Google Maps - Uncaught TypeError: Cannot read property '__e3_' of undefined

JavaScript & Google Maps - Uncaught TypeError: Cannot read property '__e3_' of undefined

By : Abhi Syaqif
Date : March 29 2020, 07:55 AM
seems to work fine The map is NOT created by echoing $map['js'], it's created by calling $this->googlemaps->create_map() in the controller, storing the results, passing them to the view and echoing them. You might want to take a look at the example:
Triggering infoWindow click - Uncaught TypeError: Cannot read property '__e3_' of undefined

Triggering infoWindow click - Uncaught TypeError: Cannot read property '__e3_' of undefined

By : user3820
Date : March 29 2020, 07:55 AM
it helps some times This is a common problem defining references to markers in loops. One way to solve it is with function closure (a function that keeps closure on its arguments):
code :
function buildListView() {
    controlList.innerHTML = '';
    for (var i = 0; i < gyms.length; i++) {
        if (gyms[i]) {

function clickableLink(i) {
    var li = document.createElement('li');
    li.onclick = function () {
        google.maps.event.trigger(markers[i], 'click'); //<<--This line!
    li.innerHTML = gyms[i].name;
    li.style.padding = '15px';
    li.style.cursor = 'pointer';
    li.setAttribute("id", gyms[i].name);

var madison,

var anyInfoWindowSeenAlready = false;

var markers = [],
  gyms = [];

var hostnameRegexp = new RegExp('^https?://.+?/');

function initialize() {
  madison = new google.maps.LatLng(43.0667, -89.4000),
    mapOptions = {
      center: madison,
      zoom: 12,
      streetViewControl: false,
      mapTypeControl: false
    autocompleteOptions = {
      types: ['(cities)']

  map = new google.maps.Map(document.getElementById('map-canvas'), mapOptions);

  infoWindow = new google.maps.InfoWindow({
    content: document.getElementById('info-content')

  document.getElementById('info-content').style.display = 'none';

  var input = document.getElementById('pac-input');

  // Create the DIV to hold the control and call the 
  // ListControl() constructor passing in this DIV.
  var listControlDiv = document.createElement('div');
  var listControl = new ListControl(listControlDiv, map);

  // Create the 'Find a gym near you!' message div and 
  // push it onto the map canvas as a map control
  messageDiv = document.createElement('div');
  messageDiv = buildMessageDiv(messageDiv);

  autocomplete = new google.maps.places.Autocomplete(input, autocompleteOptions);
  service = new google.maps.places.PlacesService(map);

  var request = {
    location: madison,
    radius: 25000,
    types: ['gym']
  service.nearbySearch(request, callback);
  google.maps.event.addListener(autocomplete, 'place_changed', onPlaceChanged);

 * The ListControl adds a control to the map that
 * displays the search results in a list view. This
 * constructor takes the control DIV as an argument.
function ListControl(controlDiv, map) {

  var madison = new google.maps.LatLng(43.0667, -89.4000);

  // Set CSS styles for the DIV containing the control
  // Setting padding to 5 px will offset the control
  // from the edge of the map.
  controlDiv.style.padding = '10px';
  controlDiv.style.opacity = '0.6';

  // Set CSS for the control border.
  var controlUI = document.createElement('div');
  controlUI.style.backgroundColor = 'white';
  controlUI.style.borderStyle = 'solid';
  controlUI.style.borderWidth = '1px';
  controlUI.style.textAlign = 'center';
  controlUI.title = 'List of gyms returned by search';

  // Set CSS for the control interior.
  controlList = document.createElement('ul');
  controlList.style.listStyleType = 'none';
  controlList.style.maxHeight = '500px';
  controlList.style.maxWidth = '300px';
  controlList.style.overflowY = 'auto';
  controlList.style.overflowX = 'hidden';
  controlList.style.fontFamily = 'Arial,sans-serif';
  controlList.style.fontSize = '16px';
  controlList.style.padding = '0px';
  controlList.style.margin = '0px';

  // Setup the click event listeners
  // google.maps.event.addDomListener(controlUI, 'click', function() {
  //   map.setCenter(madison)
  // });

// When the user selects a city, perform a nearbySearch() 
// for gyms in that city
function onPlaceChanged() {
  var place = autocomplete.getPlace();
  if (place.geometry) {
    var request = {
      location: place.geometry.location,
      radius: 25000,
      types: ['gym']
    service.nearbySearch(request, callback);
    messageDiv.style.fontSize = '14px';
    messageDiv.innerHTML = '<h1>Here are the top 20 gyms in your city. Click to see details.</h1>';
  } else {
    document.getElementById('pac-input').placeholder = 'Start typing city name, then select a city from list';

function buildMessageDiv(messageDiv) {
  messageDiv.innerHTML = '<h1>Find a gym near you!</h1>';
  messageDiv.style.textAlign = 'center';
  messageDiv.style.fontSize = '20px';
  messageDiv.style.visibility = 'visible';
  return messageDiv;


function callback(results, status) {
  if (status == google.maps.places.PlacesServiceStatus.OK) {
    gyms = results;
    for (var i = 0; i < gyms.length; i++) {
      markers[i] = createMarker(gyms[i]);
      markers[i].placeResult = gyms[i];

function createMarker(place) {
  var placeLoc = place.geometry.location;
  var marker = new google.maps.Marker({
    map: map,
    position: placeLoc

  google.maps.event.addListener(marker, 'click', showInfoWindow);

  return marker;

function clearMarkers() {
  for (var i = 0; i < markers.length; i++) {
    if (markers[i]) {
  markers = [];

function buildListView() {
  controlList.innerHTML = '';
  for (var i = 0; i < gyms.length; i++) {
    if (gyms[i]) {

function clickableLink(i) {
  var li = document.createElement('li');
  li.onclick = function() {
    google.maps.event.trigger(markers[i], 'click'); //<<--This line!
  li.innerHTML = gyms[i].name;
  li.style.padding = '15px';
  li.style.cursor = 'pointer';
  li.setAttribute("id", gyms[i].name);


// Get the place details for a hotel. Show the information in an info window,
// anchored on the marker for the hotel that the user selected.
function showInfoWindow() {
  var marker = this;
      placeId: marker.placeResult.place_id

    function(place, status) {
      if (status != google.maps.places.PlacesServiceStatus.OK) {
      if (anyInfoWindowSeenAlready === false) {
        document.getElementById('info-content').style.display = 'initial';
      infoWindow.open(map, marker);
      anyInfoWindowSeenAlready = true;

// Load the place information into the HTML elements used by the info window.
function buildIWContent(place) {
  document.getElementById('iw-icon').innerHTML = '<img class="hotelIcon" ' +
    'src="' + place.icon + '"/>';
  document.getElementById('iw-url').innerHTML = '<b><a href="' + place.url +
    '">' + place.name + '</a></b>';
  document.getElementById('iw-address').textContent = place.vicinity;

  if (place.formatted_phone_number) {
    document.getElementById('iw-phone-row').style.display = '';
    document.getElementById('iw-phone').textContent = place.formatted_phone_number;
  } else {
    document.getElementById('iw-phone-row').style.display = 'none';

  // Assign a five-star rating to the hotel, using a black star ('&#10029;')
  // to indicate the rating the hotel has earned, and a white star ('&#10025;')
  // for the rating points not achieved.
  if (place.rating) {
    var ratingHtml = '';
    for (var i = 0; i < 5; i++) {
      if (place.rating < (i + 0.5)) {
        ratingHtml += '&#10025;';
      } else {
        ratingHtml += '&#10029;';
      document.getElementById('iw-rating-row').style.display = '';
      document.getElementById('iw-rating').innerHTML = ratingHtml;
  } else {
    document.getElementById('iw-rating-row').style.display = 'none';

  // The regexp isolates the first part of the URL (domain plus subdomain)
  // to give a short URL for displaying in the info window.
  if (place.website) {
    var fullUrl = place.website;
    var website = hostnameRegexp.exec(place.website);
    if (website == null) {
      website = 'http://' + place.website + '/';
      fullUrl = website;
    document.getElementById('iw-website-row').style.display = '';
    document.getElementById('iw-website').textContent = website;
  } else {
    document.getElementById('iw-website-row').style.display = 'none';

google.maps.event.addDomListener(window, 'load', initialize);
#map-canvas {
  height: 100%;
  margin: 0px;
  padding: 0px
#pac-input {
  width: 350px;
  height: 25px;
  font-size: 16px;
  margin: 10px;
  padding: 5px
ul {
  z-index: 2;
  /* Fixes infoWindow and list view overlap issue */
li:hover {
  background: gray;
  color: white;
table {
  font-size: 12px;
.placeIcon {
  width: 20px;
  height: 34px;
  margin: 4px;
.hotelIcon {
  width: 24px;
  height: 24px;
#rating {
  font-size: 13px;
  font-family: Arial Unicode MS;
.iw_table_row {
  height: 18px;
.iw_attribute_name {
  font-weight: bold;
  text-align: right;
.iw_table_icon {
  text-align: right;
<script src="https://maps.googleapis.com/maps/api/js?libraries=places"></script>

<input id="pac-input" class="controls" type="text" placeholder="Start typing city name, then select a city from list">
<div id="map-canvas"></div>
<div id="info-content">
    <tr id="iw-url-row" class="iw_table_row">
      <td id="iw-icon" class="iw_table_icon"></td>
      <td id="iw-url"></td>
    <tr id="iw-address-row" class="iw_table_row">
      <td class="iw_attribute_name">Address:</td>
      <td id="iw-address"></td>
    <tr id="iw-phone-row" class="iw_table_row">
      <td class="iw_attribute_name">Telephone:</td>
      <td id="iw-phone"></td>
    <tr id="iw-rating-row" class="iw_table_row">
      <td class="iw_attribute_name">Rating:</td>
      <td id="iw-rating"></td>
    <tr id="iw-website-row" class="iw_table_row">
      <td class="iw_attribute_name">Website:</td>
      <td id="iw-website"></td>
React passing arrow function as props to component. Cannot read property 'purchaseAd' of undefined

React passing arrow function as props to component. Cannot read property 'purchaseAd' of undefined

By : Matthew Agostino
Date : March 29 2020, 07:55 AM
Does that help This line: this.state.sellerData.map(function(advertiser)
When you use a non arrow function here, the value of this changes when that function is invoked. Convert that to an arrow function like this: this.state.sellerData.map((advertiser) => and you should be all set
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