javascript - polyline in rails using js -


i'm trying draw simple polylines in js (rails) ain't showing anything.

function drawlines() {     var flightpath = new google.maps.polyline({     path: flightplancoordinates,     geodesic: true,     strokecolor: '#ff0000',     strokeopacity: 1.0,     strokeweight: 25,     map:map     });  flightpath.setmap(map); console.log('drawn'); }

i suggest code. in code, don't need use settings map:map.

try code

function drawlines(){          var flightpath = new google.maps.polyline({           path: flightplancoordinates,           geodesic: true,           strokecolor: '#ff0000',           strokeopacity: 1.0,           strokeweight: 25,          });         flightpath.setmap(map); }

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