OpenLayers V3.19.1 doesn't show in JavaFX WebView -


i'm having trouble displaying map openlayers v3 in javafx's webview. here's code:

openlayersv3.html

<!doctype html> <html lang="en"> <head> <link rel="stylesheet"     href="https://openlayers.org/en/v3.19.1/css/ol.css" type="text/css"> <style> .map {     height: 400px;     width: 400px; } </style> <script src="https://cdn.polyfill.io/v2/polyfill.min.js?features=requestanimationframe,element.prototype.classlist"></script> <script src="https://openlayers.org/en/v3.19.1/build/ol.js"     type="text/javascript"></script> <title>openlayers 3 example</title> <script type="text/javascript">         function loadmap() {             var map = new ol.map({                 target: 'map',                 layers: [                   new ol.layer.tile({                     source: new ol.source.osm()                   })                 ],                 view: new ol.view({                   center: ol.proj.fromlonlat([10.0, 53.55]),                   zoom: 10                 })               });         }     </script> </head> <body onload="loadmap()">     <h2>my map</h2>     <div id="map" class="map"></div> </body> </html>

and here's excerpt of loader:

osmview.java

... protected webview webview = new webview(); protected webengine webengine = webview.getengine();  public osmview() {     final url urlosmmap = getclass().getresource("/some/package/name/openlayersv3.html");      webengine.load(urlosmmap.toexternalform());     getchildren().add(webview); } ...

when load html in browser ie or firefox, shows without complications. in java program, there blank page h2 ("my map"). javascript doesn't load. so, doing wrong here?

ok, found solution: requestanimationframe not found have add following lines before every other javascript stuff:

window.requestanimframe = (function(){     return window.requestanimationframe ||         window.webkitrequestanimationframe ||         window.mozrequestanimationframe ||         window.orequestanimationframe ||         window.msrequestanimationframe ||         function(callback, element) {             window.settimeout(callback, 1000 / 60);         }; })(); var requestanimationframe = window.requestanimframe;

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