#myCanvas
bezierCurveTo
20,100,200,100,200,20|20,100,100,100,200,20|20,100,0,100,200,20|20,100,-100,100,200,20|20,100,-300,100,200,20|20,100,300,100,200,20|20,100,500,100,200,20
400
ctx.beginPath(); ctx.moveTo(20,20); ctx.bezierCurveTo(#val); ctx.stroke();