<!doctype html> <html lang="en"> <head> <meta charset="utf-8"> <title>WebGL Demo</title> <link rel="stylesheet" href="test1/app.css" type="text/css"> <script src="https://cdnjs.cloudflare.com/ajax/libs/gl-matrix/2.8.1/gl-matrix-min.js" integrity="sha512-zhHQR0/H5SEBL3Wn6yYSaTTZej12z0hVZKOv3TwCUXT1z5qeqGcXJLLrbERYRScEDDpYIJhPC1fk31gqR783iQ==" crossorigin="anonymous" defer> </script> <script src="test1/app.js" defer></script> </head> <body> <canvas id="glcanvas" width="640" height="480"></canvas> </body> </html>