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<!DOCTYPE html> <html> <head> <!-- www.techstrikers.com --> <meta name="viewport" content="initial-scale=1.0, user-scalable=no"> <meta charset="utf-8"> <title>Remove a Polyline</title> <style> html, body { height: 100%; margin: 0; padding: 0; } #map { height: 99%; width: 99%; } #panel { position: absolute; top: 0px; left: 25%; z-index: 5; background-color: #fff; padding: 0px; border: 1px solid #999; text-align: center; } #panel, .panel { font-family: 'Roboto','sans-serif'; line-height: 0px; padding-left: 0px; } #panel select, #panel input, .panel select, .panel input { font-size: 15px; } #panel select, .panel select { width: 100%; } #panel i, .panel i { font-size: 12px; } </style> <script async defer src="https://maps.googleapis.com/maps/api/js?signed_in=true&callback=initMap"></script> <script> var draw_polyline; var map; function initMap() { var lat_lng = {lat: 22.08672, lng: 79.42444}; map = new google.maps.Map(document.getElementById('map'), { zoom: 6, center: lat_lng, mapTypeId: google.maps.MapTypeId.TERRAIN }); var triangle_coordinates= [{lat:23.67502, lng:76.2533}, {lat:23.58179, lng:82.6034}, {lat:25.0757, lng:79.1537}, {lat:23.67502, lng:76.2537}]; draw_polyline = new google.maps.Polyline({ path: triangle_coordinates, geodesic: false, strokeColor: '#FF0000', strokeOpacity: 2.0, strokeWeight: 3 }); draw_polyline.setMap(map); } function removePolyLine() { draw_polyline.setMap(null); } </script> </head> <body> <div id="panel"> <input onclick="removePolyLine();" type=button value="Remove Polyline"> </div> <div id="map"></div> </body> </html>