<b>canvas繪制路徑</b><br/><canvas id="myCanvas" width="300" height="200"  style="border:1px solid #c3c3c3;">      Your browser does not support the canvas element.      </canvas>      <script type="text/javascript">          var myCanvas = document.getElementById("myCanvas");          if (!myCanvas.getContext)          {              alert("Your browser does not support the canvas element.");          }          else         {              var myContext = myCanvas.getContext("2d");              myContext.fillStyle = '#0000ff';              myContext.strokeStyle = '#ff0000';              myContext.lineWidth = 2;              myContext.beginPath();              myContext.moveTo(30, 30);              myContext.lineTo(150, 30);              myContext.lineTo(150, 120);              myContext.lineTo(90, 100);              myContext.lineTo(120, 60);              myContext.lineTo(30, 30);              myContext.fill();              myContext.stroke();              myContext.closePath();          } </script>