gmaps/DistanceFromTo.html at master · pranavambre/gmaps · GitHub

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<!DOCTYPE html>
<html>
<!--refer https://developers.google.com/maps/documentation/javascript/examples/distance-matrix -->
<head>
  <title>Distance Matrix service</title>
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
</head>

<body>
  <div id="right-panel">
  From:
   <input type="text" id="txtFrom" />
   To:
    <input type="text" id="txtTo" />
    <button id="distance">Calculate Distance</button>
    <div>
      <strong>Results</strong>
    </div>
    <div id="output"></div>
  </div>
  <script>
    //created as Global just to debug in console
    var origin;
    var destination;
    var results;
    $("#distance").click(function () {
	      origin = document.getElementById('txtFrom').value;
          destination = document.getElementById('txtTo').value;
          var geocoder = new google.maps.Geocoder;
          var service = new google.maps.DistanceMatrixService;
          //getting distance from Google
          service.getDistanceMatrix({
            origins: [origin],
            destinations: [destination],
            travelMode: 'DRIVING',
            unitSystem: google.maps.UnitSystem.METRIC,
            avoidHighways: false,
            avoidTolls: false
          }, function (response, status) {
            if (status !== 'OK') {
              alert('Error was: ' + status);
            } else {
              var originList = response.originAddresses;
              var destinationList = response.destinationAddresses;
              var outputDiv = document.getElementById('output');
              outputDiv.innerHTML = '';
              for (var i = 0; i < originList.length; i++) {
                results = response.rows[i].elements;
                for (var j = 0; j < results.length; j++) {
                  outputDiv.innerHTML += originList[i] + ' to ' + destinationList[j] +
                    ': ' + results[j].distance.text + ' in ' +
                    results[j].duration.text + '<br>';
                }
              }
            }
          });
    });
  </script>
  <script async defer src="https://maps.googleapis.com/maps/api/js?key=AIzaSyAMxdGmGa60mA7EV-iPYauPrj9XB35qA6Q">

  </script>
</body>

</html>