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class="content" id="content"><!-- Just used to judge whether it is an article page--><div id="is-post"></div><div class="post"><header class="post-header"><h1 class="post-title">免费子域名</h1><div class="post-meta"><span class="post-meta-item post-meta-item--createtime"><span class="post-meta-item__icon"><i class="far fa-calendar-plus"></i></span><span class="post-meta-item__info">发表</span><span class="post-meta-item__value">2020-08-22</span></span><span class="post-meta-item post-meta-item--updatetime"><span class="post-meta-item__icon"><i class="far fa-calendar-check"></i></span><span class="post-meta-item__info">更新</span><span class="post-meta-item__value">2021-05-23</span></span><span class="post-meta-item post-meta-item--wordcount"><span class="post-meta-item__icon"><i class="far fa-file-word"></i></span><span class="post-meta-item__info">字数</span><span class="post-meta-item__value">183</span></span><span class="post-meta-item post-meta-item--readtime"><span class="post-meta-item__icon"><i class="far fa-clock"></i></span><span class="post-meta-item__info">预计阅读时长</span><span class="post-meta-item__value">1分</span></span><span class="post-meta-item post-meta-item--visitors"><span class="post-meta-item__icon"><i class="fas fa-eye"></i></span><span class="post-meta-item__info">阅读次数</span><span class="post-meta-item__value" id="busuanzi_value_page_pv"></span></span></div></header><div class="post-body"><p>可以薅的免费子域名。可以避免 <code>github.io</code> 等知名境外免费子域名被墙而造成无法访问的后果。建议项目演示站使用；个人网站还是建议自行购买顶级域名。</p>
<a id="more"></a>

        <h2 id="风险声明">
          <span class="heading-link">风险声明</span>
        </h2>

<p>您使用免费子域名时，请注意：</p>
<ol>
<li>你的使用有被记录的可能性，请严格遵守你所在地区及域名提供商所在地区的法律法规。</li>
<li>域名提供者有 跑路 的可能</li>
<li>其他存在的风险</li>
</ol>
<p>另外，本站仅收集下列提供子域名的站点，请您谨慎使用。</p>

        <h2 id="免费子域名">
          <span class="heading-link">免费子域名</span>
        </h2>

<p>js.cool ： <span class="exturl"><a class="exturl__link" href="https://github.com/js-cool/js.cool" target="_blank" rel="external nofollow noopener noreferrer">https://github.com/js-cool/js.cool</a><span class="exturl__icon"><i class="fas fa-external-link-alt"></i></span></span></p>
<p><span class="exturl"><a class="exturl__link" href="http://js.org" target="_blank" rel="external nofollow noopener noreferrer">js.org</a><span class="exturl__icon"><i class="fas fa-external-link-alt"></i></span></span> ：<span class="exturl"><a class="exturl__link" href="https://github.com/js-org/js.org" target="_blank" rel="external nofollow noopener noreferrer">https://github.com/js-org/js.org</a><span class="exturl__icon"><i class="fas fa-external-link-alt"></i></span></span></p>
<p><span class="exturl"><a class="exturl__link" href="https://nic.eu.org/" target="_blank" rel="external nofollow noopener noreferrer">https://nic.eu.org/</a><span class="exturl__icon"><i class="fas fa-external-link-alt"></i></span></span></p>
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function cjh_search(){
var $input = $('.search-input input');var q = $input.val().toLowerCase().trim();
var url = "https://www.baidu.com/s";
var url = url + '?wd='+q+' "峡州仙士之页"';
if(q){
var tempwindow=window.open('_blank');
tempwindow.location=url;
}}
function cjh_g_search(){
var $input = $('.search-input input');var q = $input.val().toLowerCase().trim();
var url = "https://www.sanzhima.com/search";
var url = url + '?q='+q+' site:cjh0613.com';
if(q){
var tempwindow=window.open('_blank');
tempwindow.location=url;
}}
</script><div class="search-popup"><span class="search-close"></span><div class="search-input"><input placeholder="搜索文章（支持多关键词，请用空格分隔）"><div class="cjh-btn__icon" style="font-size:1rem"><a class="cjh-btn-a" href="javascript:;" onclick="cjh_g_search();return false;">谷歌搜索</a>&emsp;<a class="cjh-btn-a" id="cjh_search" href="javascript:;" onclick="cjh_search();return false;">备用搜索</a></div><div style="text-align: center"><p>（您还可以在<a class="exturl__link" href="/blog/archives/" target="_blank" rel="noopener">归档页</a>搜索文章标题）</p></div></div><div class="search-results"></div></div><script src="//cdn.staticfile.org/jquery/3.4.1/jquery.min.js"></script><script src="//cdn.staticfile.org/velocity/1.5.2/velocity.min.js"></script><script src="//cdn.staticfile.org/velocity/1.5.2/velocity.ui.min.js"></script><script src="//cdn.staticfile.org/fancybox/3.5.7/jquery.fancybox.min.js"></script><script src="//cdn.staticfile.org/masonry/4.2.2/masonry.pkgd.min.js"></script><script src="https://cdn.jsdelivr.net/npm/[email protected]/lazyload.min.js"></script><script src="//cdn.staticfile.org/social-share.js/1.0.16/js/social-share.min.js"></script><script>function initSearch() {
  var isXML = true;
  var search_path = 'search.json';

  if (!search_path) {
    search_path = 'search.xml';
  } else if (/json$/i.test(search_path)) {
    isXML = false;
  }

  var path = '/' + search_path;
  $.ajax({
    url: path,
    dataType: isXML ? 'xml' : 'json',
    async: true,
    success: function (res) {
      var datas = isXML ? $('entry', res).map(function () {
        // 将 XML 转为 JSON
        return {
          title: $('title', this).text(),
          content: $('content', this).text(),
          url: $('url', this).text()
        };
      }).get() : res;
      var $input = $('.search-input input');
      var $result = $('.search-results');
      // 搜索对象（标题、内容）的权重，影响显示顺序
      var WEIGHT = { title: 100, content: 1 };
      var searchPost = function () {
        var searchText = $input.val().toLowerCase().trim();
        // 根据空白字符分隔关键字
        var keywords = searchText.split(/[\s]+/);
        // 搜索结果
        var matchPosts = [];

        // 有多个关键字时，将原文字整个保存下来
        if (keywords.length > 1) {
          keywords.push(searchText);
        }
        // 防止未输入字符时搜索
        if (searchText.length > 0) {
          datas.forEach(function (data) {
            var isMatch  = false;
            // 没有标题的文章使用预设的 i18n 变量代替
            var title = (data.title && data.title.trim()) || '[ 文章无标题 ]';
            var titleLower = title && title.toLowerCase();
            // 删除 HTML 标签 和 所有空白字符
            var content = data.content && data.content.replace(/<[^>]+>/g, '');
            var contentLower = content && content.toLowerCase();
            // 删除重复的 /
            var postURL = data.url && decodeURI(data.url).replace(/\/{2,}/g, '/');
            // 标题中匹配到的关键词
            var titleHitSlice = [];
            // 内容中匹配到的关键词
            var contentHitSlice = [];

            keywords.forEach(function (keyword) {
              /**
              * 获取匹配的关键词的索引
              * @param {String} keyword 要匹配的关键字
              * @param {String} text 原文字
              * @param {Boolean} caseSensitive 是否区分大小写
              * @param {Number} weight 匹配对象的权重。权重大的优先显示
              * @return {Array}
              */
              function getIndexByword (word, text, caseSensitive, weight) {
                if (!word || !text) {
                  return [];
                };

                var startIndex = 0; // 每次匹配的开始索引
                var index = -1;     // 匹配到的索引值
                var result = [];    // 匹配结果

                if (!caseSensitive) {
                  word = word.toLowerCase();
                  text = text.toLowerCase();
                }

                while((index = text.indexOf(word, startIndex)) !== -1) {
                  var hasMatch = false;
                  // 索引位置相同的关键词，保留长度较长的
                  titleHitSlice.forEach(function (hit) {
                    if (hit.index === index && hit.word.length < word.length) {
                      hit.word = word;
                      hasMatch = true;
                    }
                  });
                  startIndex = index + word.length;
                  !hasMatch && result.push({ index: index, word: word, weight: weight });
                }
                return result;
              }
              titleHitSlice = titleHitSlice.concat(getIndexByword(keyword, titleLower, false, WEIGHT.title));
              contentHitSlice = contentHitSlice.concat(getIndexByword(keyword, contentLower, false, WEIGHT.content));
            });

            var hitTitle = titleHitSlice.length;
            var hitContent = contentHitSlice.length;

            if (hitTitle > 0 || hitContent > 0) {
              isMatch = true;
            }
            if (isMatch) {
              ;[titleHitSlice, contentHitSlice].forEach(function (hit) {
                // 按照匹配文字的索引的递增顺序排序
                hit.sort(function (left, right) {
                  return left.index - right.index;
                });
              });
              /**
              * 给文本中匹配到的关键词添加标记，从而进行高亮显示
              * @param {String} text 原文本
              * @param {Array} hitSlice 匹配项的索引信息
              * @param {Number} start 开始索引
              * @param {Number} end 结束索引
              * @return {String}
              */
              function highlightKeyword (text, hitSlice, start, end) {
                if (!text || !hitSlice || !hitSlice.length) {
                  return;
                }

                var result = '';
                var startIndex = start;
                var endIndex = end;
                hitSlice.forEach(function (hit) {
                  if (hit.index < startIndex) {
                    return;
                  }

                  var hitWordEnd = hit.index + hit.word.length;
                  result += text.slice(startIndex, hit.index);
                  result += '<b>' + text.slice(hit.index, hitWordEnd) + '</b>';
                  startIndex = hitWordEnd;
                });
                result += text.slice(startIndex, endIndex);
                return result;
              }

              var postData = {};
              // 文章总的搜索权重
              var postWeight = titleHitSlice.length * WEIGHT.title + contentHitSlice.length * WEIGHT.content;
              // 标记匹配关键词后的标题
              var postTitle = highlightKeyword(title, titleHitSlice, 0, title.length) || title;
              // 标记匹配关键词后的内容
              var postContent;
              // 显示内容的长度
              var SHOW_WORD_LENGTH = 200;
              // 命中关键词前的字符显示长度
              var SHOW_WORD_FRONT_LENGTH = 20;
              var SHOW_WORD_END_LENGTH = SHOW_WORD_LENGTH - SHOW_WORD_FRONT_LENGTH;

              // 截取匹配的第一个字符，前后共 200 个字符来显示
              if (contentHitSlice.length > 0) {
                var firstIndex = contentHitSlice[0].index;
                var start = firstIndex > SHOW_WORD_FRONT_LENGTH ? firstIndex - SHOW_WORD_FRONT_LENGTH : 0;
                var end = firstIndex + SHOW_WORD_END_LENGTH;
                postContent = highlightKeyword(content, contentHitSlice, start, end);
              } else { // 未匹配到内容，直接截取前 200 个字符来显示
                postContent = content.slice(0, SHOW_WORD_LENGTH);
              }
              postData.title = postTitle;
              postData.content = postContent;
              postData.url = postURL;
              postData.weight = postWeight;
              matchPosts.push(postData);
            }
          });
        }

        var resultInnerHtml = '';
        if (matchPosts.length) {
          // 按权重递增的顺序排序，使权重大的优先显示
          matchPosts.sort(function (left, right) {
            return right.weight - left.weight;
          });
          resultInnerHtml += '<ul>';
          matchPosts.forEach(function (post) {
            resultInnerHtml += '<li><a class="search-results-title" href="' + post.url + '">';
            resultInnerHtml += post.title;
            resultInnerHtml += '</a><div class="search-results-content">';
            resultInnerHtml += post.content;
            resultInnerHtml += '</div></li>';
          });
          resultInnerHtml += '</ul>';
        } else {
          resultInnerHtml += '<div class="search-results-none"><i class="far fa-meh"></i></div>';
        }
        $result.html(resultInnerHtml);
      };
      $input.on('input', searchPost);
      $input.on('keypress', function (e) {
        if (e.keyCode === Stun.utils.codeToKeyCode('Enter')) {
          searchPost();
        }
      });
    }
  });
}

function closeSearch () {
  $('body').css('overflow', 'auto');
  $('.search-popup')
    .removeClass('show')
    .velocity('stop')
    .velocity('transition.expandOut', {
      duration: 300
    });
  $('.search-mask')
    .velocity('stop')
    .velocity('transition.fadeOut', {
      duration: 300
    });
}

window.addEventListener('DOMContentLoaded', function () {
  Stun.utils.pjaxReloadLocalSearch = function () {
    $('.header-nav-search').on('click', function (e) {
      e.stopPropagation();
      $('body').css('overflow', 'hidden');
      $('.search-popup')
        .addClass('show')
        .velocity('stop')
        .velocity('transition.expandIn', {
          duration: 300,
          complete: function () {
            $('.search-popup input').focus();
          }
        });
      $('.search-mask')
        .velocity('stop')
        .velocity('transition.fadeIn', {
          duration: 300
        });

      initSearch();
    });
    $('.search-mask, .search-close').on('click', function () {
      closeSearch();
    });
    $(document).on('keydown', function (e) {
      // Escape <=> 27
      if (e.keyCode === Stun.utils.codeToKeyCode('Escape')) {
        closeSearch();
      }
    });
  };

  Stun.utils.pjaxReloadLocalSearch();
}, false);</script><link href="https://cdn.staticfile.org/KaTeX/0.10.2/katex.min.css" rel="stylesheet" type="text/css"><link href="https://cdn.staticfile.org/KaTeX/0.10.2/contrib/copy-tex.css" rel="stylesheet" type="text/css"><script src="https://cdn.staticfile.org/KaTeX/0.10.2/contrib/copy-tex.min.js"></script><script src="https://cdn.jsdelivr.net/gh/sukkaw/busuanzi@latest/bsz.pure.mini.js" async></script><script src="https://cdn.jsdelivr.net/npm/@waline/client/dist/Waline.min.js"></script><script>function loadWaline () {
  var GUEST_INFO = ['nick', 'mail', 'link'];
  var guest_info = 'nick,mail,link';

  guest_info = guest_info.split(',').filter(function(item) {
    return GUEST_INFO.indexOf(item) > -1;
  });

  new Waline({
    el: '#waline-container',
    serverURL: 'https://comment.cjh0613.com',
    placeholder: '点这里输入评论。如果您需要咨询，还可TG联系。（请填写上方昵称与邮箱，邮箱不会公开显示。如果您有个人网站，也可以填写）',
    pageSize: '10' || 10,
    lang: '' || 'zh-cn',
    visitor: false,
    avatar: 'mp',
    path: window.location.pathname,
    meta: guest_info,
    avatarCDN: 'https://dn-qiniu-avatar.qbox.me/avatar/',
    langMode: { admin: '站长' }
    //- avatarCDN: 'https://sdn.geekzu.org/avatar/'
  });
}

if (false) {
  loadWaline();
} else {
  window.addEventListener('DOMContentLoaded', loadWaline, false);
}</script><script src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js" async></script><script>(adsbygoogle = window.adsbygoogle || []).push({
  google_ad_client: 'ca-pub-3992225808017393',
  enable_page_level_ads: true
});</script><script src="https://cjh0613.com/js/counttime.js"></script><script src="https://cdn.jsdelivr.net/gh/cjh0613/blog@master/js/utils.js?v=1.7.0"></script><script src="https://cdn.jsdelivr.net/gh/cjh0613/blog@master/js/stun-boot.js?v=1.7.0"></script><script src="https://cdn.jsdelivr.net/gh/cjh0613/blog@master/js/scroll.js?v=1.7.0"></script><script src="https://cdn.jsdelivr.net/gh/cjh0613/blog@master/js/header.js?v=1.7.0"></script><script src="https://cdn.jsdelivr.net/gh/cjh0613/blog@master/js/sidebar.js?v=1.7.0"></script></body></html>