Is this Google Maps API JavaScript really that bad? -

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this code google maps api; works fine, says has lot of errors. runs fine.

i have embedded in html file , css stylesheet , works how want, displaying 700+ errors , don't know do. side note if knows how go adding multiple markers please let me know!

var map;     var uconn = new google.maps.latlng(41.8057, -72.2494);     var my_maptype_id = 'uconn_style'     function initialize() {          var featureopts = [             {                 stylers: [                     {color: 'rgba(255, 255, 255, 0.17)' },                     {visibility: 'simplified' },                     {weight: 0.5 }]             },             {                 elementtype: 'labels',                 stylers: [                     {visibility: 'on' }]             },             {                 featuretype: 'road',                 elementtype: 'geometry',                 stylers: [                     {color: '#000000'},                     {weight: 1.0}]             },             {                 scalecontrolstyle: 'top_center',             },             {                 featuretype: 'road',                 elementtype: 'labels',                 stylers: [                     {color: '#7e1111' }],             },             {                 featuretype: 'landscape',                 elementtype: 'geometry',                 stylers: [                     {color: 'rgb(63, 204, 51)' }]             },         ];      var mapcanvas = document.getelementbyid('map-canvas');     var mapoptions = {         center: uconn,         zoom: 14,         minzoom: 13,         scrollwheel: false,         maptypecontroloptions: {         maptypeids: [google.maps.maptypeid.roadmap, my_maptype_id]},         maptypeid: my_maptype_id};      map = new google.maps.map(document.getelementbyid('map-canvas'),mapoptions);      var styledmapoptions = {         name: 'custom style'};      var custommaptype = new google.maps.styledmaptype(featureopts, styledmapoptions);       map.maptypes.set(my_maptype_id, custommaptype);      var worldcoords = [         new google.maps.latlng(-85.1054596961173, 0),         new google.maps.latlng(-85.1054596961173, 180),         new google.maps.latlng(85.1054596961173, 180),         new google.maps.latlng(85.1054596961173, -180),         new google.maps.latlng(-85.1054596961173, -180),]     var uconncoordinates = [         new google.maps.latlng(41.827428,-72.266607),         new google.maps.latlng(41.818601,-72.255278),         new google.maps.latlng(41.817322,-72.254848),         new google.maps.latlng(41.820648,-72.248411),         new google.maps.latlng(41.820968,-72.247038),         new google.maps.latlng(41.815914,-72.242575),         new google.maps.latlng(41.813867,-72.243347),         new google.maps.latlng(41.810797,-72.249012),         new google.maps.latlng(41.810669,-72.246351),         new google.maps.latlng(41.810029,-72.244291),         new google.maps.latlng(41.810797,-72.239914),         new google.maps.latlng(41.812204,-72.236309),         new google.maps.latlng(41.811884,-72.232189),         new google.maps.latlng(41.811244,-72.230558),         new google.maps.latlng(41.809709,-72.230043),         new google.maps.latlng(41.807598,-72.230988),         new google.maps.latlng(41.805806,-72.229958),         new google.maps.latlng(41.802223,-72.225065),         new google.maps.latlng(41.802543,-72.223520),         new google.maps.latlng(41.801136,-72.221289),         new google.maps.latlng(41.798256,-72.219658),         new google.maps.latlng(41.796849,-72.217340),         new google.maps.latlng(41.792689,-72.221289),         new google.maps.latlng(41.791985,-72.223263),         new google.maps.latlng(41.789362,-72.227640),         new google.maps.latlng(41.794033,-72.235365),         new google.maps.latlng(41.794865,-72.236309),         new google.maps.latlng(41.790258,-72.240772),         new google.maps.latlng(41.788978,-72.244205),         new google.maps.latlng(41.789874,-72.247295),         new google.maps.latlng(41.788146,-72.247210),         new google.maps.latlng(41.784306,-72.260942),         new google.maps.latlng(41.787890,-72.260513),         new google.maps.latlng(41.792113,-72.263689),         new google.maps.latlng(41.786418,-72.276649),         new google.maps.latlng(41.790642,-72.279654),         new google.maps.latlng(41.798640,-72.274761),         new google.maps.latlng(41.801712,-72.276821),         new google.maps.latlng(41.802927,-72.280684),         new google.maps.latlng(41.804207,-72.279310),         new google.maps.latlng(41.810733,-72.284632),         new google.maps.latlng(41.815914,-72.279482),         new google.maps.latlng(41.816938,-72.283173),         new google.maps.latlng(41.822631,-72.278795),         new google.maps.latlng(41.823974,-72.273903),         new google.maps.latlng(41.825893,-72.270384),         new google.maps.latlng(41.827417,-72.266621)];      var poly = new google.maps.polygon({         paths: [worldcoords, uconncoordinates],         strokecolor: '#000fc4',         strokeopacity: 1,         strokeweight: 4,         fillcolor: '#000000',         fillopacity: .75});         poly.setmap(map);     }      google.maps.event.adddomlistener(window, 'load', initialize);


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