Draw a bunch of lines.
[php lang=“JavaScript”]$(function() {
var canvas, context, width, height;
canvas = $("#canvas").get(0);
context = canvas.getContext(“2d”);
width = canvas.width;
height = canvas.height;
for(var y = 0; y < height; y += 10) { context.beginPath(); context.moveTo(0, y); context.lineTo(width, y); context.stroke(); } });[/php] Result.