User:Nan Wang/counting
<canvas id="c0" showsrc>
function draw() {
c = document.getElementById("c0");
ctx = c.getContext('2d');
// rows of streets
for (r=0; r<8; r++) {
ctx.save();
for (c=0; c<10; c++) {
// a single housing unit
ctx.strokeRect(0, 0, 10, 10);
ctx.translate(10, 0);
}
ctx.restore();
ctx.translate(0, 30);
}
} </canvas>
