51help TIY
码：
<!DOCTYPE html> <html> <body> <canvas id="myCanvas" width="300" height="150" style="border:1px solid #d3d3d3;"> Your browser does not support the HTML5 canvas tag. </canvas> <p>请试着把 miterLimit 设置为 4长度超过 miterLimit 会以 lineJoin 的 "bevel" 。</p> <script> var c=document.getElementById("myCanvas"); var ctx=c.getContext("2d"); ctx.lineWidth=10; ctx.lineJoin="miter"; ctx.miterLimit=5; ctx.moveTo(20,20); ctx.lineTo(50,27); ctx.lineTo(20,34); ctx.stroke(); </script> </body> </html>
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