绘制两个三角形-作业-p6-2020-01-04

图片.png

图片.png

        <script type="text/javascript">
            var canvas=$('canvas')[0]
            function draw(){
                if (canvas.getContext) {
                    var ctx=canvas.getContext('2d')
                    
                    ctx.beginPath();
                    ctx.moveTo(120,80);
                    ctx.lineTo(120,160);
                    ctx.lineTo(200,80);
                    ctx.closePath();
                    ctx.fill();
                    
                    ctx.beginPath();
                    ctx.moveTo(260,160);
                    ctx.lineTo(260,80);
                    ctx.lineTo(180,160);
                    ctx.closePath();
                    ctx.stroke();
                }
            }
        </script>