具有替代 linejoins 线条和斜接限制的折线

<svg width="600px" height="600px" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
  
    <polyline points="10,10,50,40,80,30,120,90,130,10,180,50,250,100,300,10" fill="none" stroke="red" stroke-width="10" />
  
      <text x="320" y="20">Default drawing stroke</text>
  
      <g transform="translate(0,150)">
      <polyline points="10,10,50,40,80,30,120,90,130,10,180,50,250,100,300,10" fill="none" stroke="red" stroke-width="10" stroke-linecap="butt" stroke-linejoin="miter" stroke-miterlimit="2"/>
  
      <text x="320" y="20">stroke-linecap="butt" (default)</text>
      <text x="320" y="40">stroke-linejoin="miter"(default)</text>
      <text x="320" y="60">stroke-miterlimit="2"</text>
  </g>

  <g transform="translate(0,300)">
      <polyline points="10,10,50,40,80,30,120,90,130,10,180,50,250,100,300,10" fill="none" stroke="red" stroke-width="10" stroke-linecap="round" stroke-linejoin="round" />
  
      <text x="320" y="20">stroke-linecap="round" </text>
      <text x="320" y="40">stroke-linejoin="round" </text>

  </g>
  <g transform="translate(0,450)">
      <polyline points="10,10,50,40,80,30,120,90,130,10,180,50,250,100,300,10" fill="none" stroke="red" stroke-width="10" stroke-linecap="square" stroke-linejoin="bevel"/>
  
      <text x="320" y="20">stroke-linecap="square"</text>
      <text x="320" y="40">stroke-linejoin="bevel"</text>
  </g>
  
</svg>

结果