W3Schools Canvas 演示 - W3Schools 中文教程

#myCanvas

贝塞尔曲线

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();