javascript - How to set the marker visible on google map draggable direcion -


i make directions on google map , , there code. in code , there 4 markers on it. want can decide markers want hide. how set marker visible on google map draggable direcion?

function initmap() {   var map = new google.maps.map(document.getelementbyid('map'), {     zoom: 4,     center: {lat: 22.65, lng: 120.30}     });    var directionsservice = new google.maps.directionsservice;   var directionsdisplay = new google.maps.directionsrenderer({     draggable: true,     map: map,     panel: document.getelementbyid('right-panel')   });    directionsdisplay.addlistener('directions_changed', function() {     computetotaldistance(directionsdisplay.getdirections());   });    displayroute('22.650927, 120.328185' , '22.656672, 120.307596', directionsservice,       directionsdisplay); }  function displayroute(origin, destination, service, display) {    service.route({     origin: origin,     destination: destination,     waypoints: [{location:new google.maps.latlng(22.651682, 120.324307)},{location:new google.maps.latlng(22.655168, 120.320009)}],      travelmode: google.maps.travelmode.driving,     avoidtolls: true   }, function(response, status) {     if (status === google.maps.directionsstatus.ok) {       display.setdirections(response);      } else {       alert('could not display directions due to: ' + status);     }   });  }

the picture shows directions like.

if using jquery, try getting markers this:

var markers = $('#map_canvas').gmap('get','markers');


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