HTML Canvas globalAlpha 0.5
<!DOCTYPE html> <html> <head> <title>Pushing canvas further</title> <meta charset="utf-8"> /*from w w w.j a v a2 s . co m*/ <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script> <script type="text/javascript"> $(document).ready(function() { var canvas = $("#myCanvas"); var context = canvas.get(0).getContext("2d"); // Global alpha context.fillStyle = "rgb(63, 169, 245)"; context.fillRect(50, 50, 100, 100); context.globalAlpha = 0.5; context.fillStyle = "rgb(255, 123, 172)"; context.fillRect(100, 100, 100, 100); }); </script> </head> <body> <canvas id="myCanvas" width="500" height="500"> <!-- Insert fallback content here --> </canvas> </body> </html>