<html xmlns="http://www.w3.org/1999/xhtml" > <script language=javascript> function draw() { var canv = document.getElementById("canv"); var ctx = canv.getContext("2d"); ctx.fillStyle = "red"; // 0 size font shouldn't crash! ctx.font = "0px Arial"; ctx.fillText("A", 0, 0); document.documentElement.className = ""; } </script> <body onload="draw()"> <canvas id="canv" width="5" height="5"></canvas> </body> </html>