Enhanced spiral, highly customizable (see full source for details). Has approx. 5 chars left for you to use for customizing the values :) The values of 1 and the red color yield to a rose. Other value…
with(document.body.children.c.getContext('2d')){strokeStyle='red';translate(67,67);for(l=678;l>0;lineTo(l,0),rotate(1),l-=1);stroke()}
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// use canvas 2D context
with(document.body.children.c.getContext('2d'))
{
// color of drawing
strokeStyle='red';
// center point
translate(67,67);
// figure radius, figure precision, iteration step size
| | |
v v v
for(l=678;l>0;lineTo(l,0),rotate(1),l-=1);
// paint lines
stroke()
}