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how to display one location from an array of location based on sensor number

I can't see your code, so it's hard to know.

Here is a working solution, by calling initialize when clicking on html elements

This resets the map with a new marker.

  • Defined initialize() with parameter "select"

  • Beneath the map variable (but inside initialize) made a marker, which picks the data using the previously defined "select" parameter.

  • Used html element to call initialize with parameter value.

Normal Google map otherwise.

It really helps if we can see your code, in future.

<!DOCTYPE html>
      #map-canvas {
        width: 500px;
        height: 400px;

    var locations = [
      ['Sensor 1', -33.890542, 151.274856, 4],
      ['Sensor 2', -33.923036, 151.259052, 5],
      ['Sensor 3', -34.028249, 151.157507, 3],
      ['Sensor 4', -33.80010128657071,
151.28747820854187, 2],
      ['Sensor 5', -33.950198, 151.259302, 1]

    function initialize(select) {
      var myLatlng = new
google.maps.LatLng(-33.890542, 151.274856);
      var mapOptions = {
        zoom: 9,
        center: myLatlng
      var map = new
      var marker = new google.maps.Marker({
        position: new
        map: map

'load', initialize);

    <p onclick="initialize(0)">Sensor
    <p onclick="initialize(1)">Sensor
    <p onclick="initialize(2)">Sensor
    <p onclick="initialize(3)">Sensor
    <p onclick="initialize(4)">Sensor
    <div id="map-canvas"></div>

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