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95
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回答

可以通过头部匹配

<!doctype html>
<html>
<head>
  <meta charset="utf-8"/>
  <title>Marked in the browser</title>
</head>
<body>
  <div id="content"></div>
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/marked.umd.min.js"></script>
  <script>


// 创建自定义渲染器
const renderer = new marked.Renderer();

// 重写 paragraph 方法来处理自定义段落
renderer.paragraph = function(text) {
  if (text.startsWith(':customparagraph:')) {
    return `<p class="custom-paragraph">${text.replace(':customparagraph:', '')}</p>\n`;
  }
  return `<p>${text}</p>\n`;
};

// 使用自定义渲染器
marked.setOptions({
  renderer: renderer
});

const markdown = `
:customparagraph: This is a custom paragraph content.

:aet: This is a custom paragraph content.
`;

    document.getElementById('content').innerHTML =
      marked.parse(markdown);
  </script>
</body>
</html>

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