<canvas id="ex4" width="500" height="120" style="border: 1px solid #cccccc;">
HTML5 Canvas not supported
var canvas = document.getElementById("ex4");
var context = canvas.getContext("2d");
context.stokeStyle = "#000000"
context.lineTo( 250, 250);
context.font = "16px Verdana"
context.fillStyle = "#000000"
context.textAlign = "center"
context.fillText("center", 250, 20);
context.textAlign = "start"
context.fillText("start", 250, 40);
context.textAlign = "end"
context.fillText("end", 250, 60);
context.textAlign = "left"
context.fillText("left", 250, 80);
context.textAlign = "right"
context.fillText("right", 250, 100);