javascript - Direction arrow does not show, but polyline is showing in google map -


i trying draw direction arrows poly line. code not show arrows plots every markers info windows , poly line using data set. want add arrows this. http://jsfiddle.net/nx8u8/2/ here code .done function of ajax callback.

can explain me wrong done.

var path1 = []; var poliline;

function getdata(){      $.ajax({         url: '/filter',         datatype:'json',         type: 'post',         data: {'mmsi':$('input[name=mmsi]').val(),'from': $("input[name='from']").val(), 'to': $("input[name='to']").val()}      }).done(function(data) {         initmap();         console.log(data.length);         console.log(data);         $.each(data, function(index, obj){             console.log( obj.latitude +  " - " +obj.longitude   );             //console.log("helloooo");             var pos = {lat: obj.latitude, lng: obj.longitude};             path1.push({lat: parsefloat(obj.latitude), lng: parsefloat(obj.longitude)});              contentstring = "<p>" +obj.last_received_date+ "<br>"+obj.last_received_time+"</p>";             var infowindow = new google.maps.infowindow({                 content: contentstring             });             var circleicon = {                 path: google.maps.symbolpath.circle,                 fillcolor: '#600d48',                 fillopacity: 0.8,                 scale: 2,                 strokecolor: '#600d48'             };             var pathmarker = new google.maps.marker({                 position: pos,                 icon: circleicon,                 map: map             });             pathmarker.addlistener('mouseover', function() {                 infowindow.open(map, pathmarker);             });             // assuming want hide infowindow when user mouses-out             pathmarker.addlistener('mouseout', function() {                 infowindow.close();             });          });         var linesymbol = {             path: google.maps.symbolpath.forward_closed_arrow         };          var polylineoptns = {             strokeopacity: 0.8,             strokeweight: 3,             path: path1,             strokecolor: '#ff0000',             strokeopacity: 1.0,             map: map,             icons: [{                 icon: linesymbol,                 repeat: '70px',                 offset: '100%'             }],         };         polyline = new google.maps.polyline(polylineoptns);          path1 = [];      }).always(function() {      }).fail(function(jqxhr, textstatus, errorthrown) {         alert('error: ' + errorthrown);     })  }


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