feat: add es6.md cheatsheet. b258494776

docs/xpath.html

@@ -34,7 +34,7 @@
     document.documentElement.setAttribute('data-color-mode', mode);
     localStorage.setItem(LOCAL_NANE, mode);
   }
-</script><a href="https://github.com/jaywcjlove/reference" class="" target="__blank"><svg viewBox="0 0 16 16" fill="currentColor" height="1em" width="1em"><path d="M8 0C3.58 0 0 3.58 0 8c0 3.54 2.29 6.53 5.47 7.59.4.07.55-.17.55-.38 0-.19-.01-.82-.01-1.49-2.01.37-2.53-.49-2.69-.94-.09-.23-.48-.94-.82-1.13-.28-.15-.68-.52-.01-.53.63-.01 1.08.58 1.23.82.72 1.21 1.87.87 2.33.66.07-.52.28-.87.51-1.07-1.78-.2-3.64-.89-3.64-3.95 0-.87.31-1.59.82-2.15-.08-.2-.36-1.02.08-2.12 0 0 .67-.21 2.2.82.64-.18 1.32-.27 2-.27.68 0 1.36.09 2 .27 1.53-1.04 2.2-.82 2.2-.82.44 1.1.16 1.92.08 2.12.51.56.82 1.27.82 2.15 0 3.07-1.87 3.75-3.65 3.95.29.25.54.73.54 1.48 0 1.07-.01 1.93-.01 2.2 0 .21.15.46.55.38A8.012 8.012 0 0 0 16 8c0-4.42-3.58-8-8-8z"></path></svg></a></div></div></nav><div class="wrap max-container"><header class="wrap-header h1wrap"><h1 id="xpath-备忘清单"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="currentColor" height="1em" width="1em">
+</script><a href="https://github.com/jaywcjlove/reference" class="" target="__blank"><svg viewBox="0 0 16 16" fill="currentColor" height="1em" width="1em"><path d="M8 0C3.58 0 0 3.58 0 8c0 3.54 2.29 6.53 5.47 7.59.4.07.55-.17.55-.38 0-.19-.01-.82-.01-1.49-2.01.37-2.53-.49-2.69-.94-.09-.23-.48-.94-.82-1.13-.28-.15-.68-.52-.01-.53.63-.01 1.08.58 1.23.82.72 1.21 1.87.87 2.33.66.07-.52.28-.87.51-1.07-1.78-.2-3.64-.89-3.64-3.95 0-.87.31-1.59.82-2.15-.08-.2-.36-1.02.08-2.12 0 0 .67-.21 2.2.82.64-.18 1.32-.27 2-.27.68 0 1.36.09 2 .27 1.53-1.04 2.2-.82 2.2-.82.44 1.1.16 1.92.08 2.12.51.56.82 1.27.82 2.15 0 3.07-1.87 3.75-3.65 3.95.29.25.54.73.54 1.48 0 1.07-.01 1.93-.01 2.2 0 .21.15.46.55.38A8.012 8.012 0 0 0 16 8c0-4.42-3.58-8-8-8z"></path></svg></a></div></div></nav><div class="wrap h1body-exist max-container"><header class="wrap-header h1wrap"><h1 id="xpath-备忘清单"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="currentColor" height="1em" width="1em">
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 </svg>
@@ -42,8 +42,8 @@
 <p>这是一份 XPath 选择器备忘单，其中列出了常用的 <code>XPath</code> 定位方法和 <code>CSS</code> 选择器</p>
 </div></header><div class="menu-tocs"><div class="menu-btn"><svg aria-hidden="true" fill="currentColor" height="1em" width="1em" viewBox="0 0 16 16" version="1.1" data-view-component="true">
   <path fill-rule="evenodd" d="M2 4a1 1 0 100-2 1 1 0 000 2zm3.75-1.5a.75.75 0 000 1.5h8.5a.75.75 0 000-1.5h-8.5zm0 5a.75.75 0 000 1.5h8.5a.75.75 0 000-1.5h-8.5zm0 5a.75.75 0 000 1.5h8.5a.75.75 0 000-1.5h-8.5zM3 8a1 1 0 11-2 0 1 1 0 012 0zm-1 6a1 1 0 100-2 1 1 0 000 2z"></path>
-</svg></div><div class="menu-modal"><a aria-hidden="true" class="leve2 tocs-link" href="#xpath-选择器">XPath 选择器</a><a aria-hidden="true" class="leve3 tocs-link" href="#入门">入门</a><a aria-hidden="true" class="leve3 tocs-link" href="#后代选择器">后代选择器</a><a aria-hidden="true" class="leve3 tocs-link" href="#有序选择器">有序选择器</a><a aria-hidden="true" class="leve3 tocs-link" href="#属性选择器">属性选择器</a><a aria-hidden="true" class="leve3 tocs-link" href="#兄弟姐妹选择器">兄弟姐妹选择器</a><a aria-hidden="true" class="leve3 tocs-link" href="#最有用的路径表达式">最有用的路径表达式</a><a aria-hidden="true" class="leve3 tocs-link" href="#杂项选择器">杂项选择器</a><a aria-hidden="true" class="leve3 tocs-link" href="#jquery">jQuery</a><a aria-hidden="true" class="leve3 tocs-link" href="#运算符">运算符</a><a aria-hidden="true" class="leve2 tocs-link" href="#xpath-表达式">XPath 表达式</a><a aria-hidden="true" class="leve3 tocs-link" href="#步骤和轴">步骤和轴</a><a aria-hidden="true" class="leve3 tocs-link" href="#前缀">前缀</a><a aria-hidden="true" class="leve3 tocs-link" href="#axes">Axes</a><a aria-hidden="true" class="leve2 tocs-link" href="#xpath-predicates谓词">XPath Predicates(谓词)</a><a aria-hidden="true" class="leve3 tocs-link" href="#predicates谓词">Predicates(谓词)</a><a aria-hidden="true" class="leve3 tocs-link" href="#操作符">操作符</a><a aria-hidden="true" class="leve3 tocs-link" href="#使用节点">使用节点</a><a aria-hidden="true" class="leve3 tocs-link" href="#索引">索引</a><a aria-hidden="true" class="leve3 tocs-link" href="#链接顺序">链接顺序</a><a aria-hidden="true" class="leve3 tocs-link" href="#嵌套谓词">嵌套谓词</a><a aria-hidden="true" class="leve2 tocs-link" href="#xpath-函数">XPath 函数</a><a aria-hidden="true" class="leve3 tocs-link" href="#节点功能">节点功能</a><a aria-hidden="true" class="leve3 tocs-link" href="#字符串函数">字符串函数</a><a aria-hidden="true" class="leve3 tocs-link" href="#布尔函数">布尔函数</a><a aria-hidden="true" class="leve3 tocs-link" href="#类型转换">类型转换</a><a aria-hidden="true" class="leve2 tocs-link" href="#xpath-axes">XPath Axes</a><a aria-hidden="true" class="leve3 tocs-link" href="#使用轴">使用轴</a><a aria-hidden="true" class="leve3 tocs-link" href="#子轴">子轴</a><a aria-hidden="true" class="leve3 tocs-link" href="#后代或自我轴">后代或自我轴</a><a aria-hidden="true" class="leve3 tocs-link" href="#其他轴">其他轴</a><a aria-hidden="true" class="leve3 tocs-link" href="#联合">联合</a><a aria-hidden="true" class="leve2 tocs-link" href="#xpath-更多示例">XPath 更多示例</a><a aria-hidden="true" class="leve3 tocs-link" href="#示例">示例</a><a aria-hidden="true" class="leve3 tocs-link" href="#查找父家长">查找(父)家长</a><a aria-hidden="true" class="leve3 tocs-link" href="#最近的">最近的</a><a aria-hidden="true" class="leve3 tocs-link" href="#属性">属性</a><a aria-hidden="true" class="leve2 tocs-link" href="#另见">另见</a></div></div><div class="h1wrap-body"><div class="wrap"><div class="wrap-header h2wrap"><h2 id="xpath-选择器"><a aria-hidden="true" tabindex="-1" href="#xpath-选择器"><span class="icon icon-link"></span></a>XPath 选择器</h2><div class="wrap-body">
-</div></div><div class="h2wrap-body"><div class="wrap row-span-2"><div class="wrap-header h3wrap"><h3 id="入门"><a aria-hidden="true" tabindex="-1" href="#入门"><span class="icon icon-link"></span></a>入门</h3><div class="wrap-body">
+</svg></div><div class="menu-modal"><a aria-hidden="true" class="leve2 tocs-link" href="#xpath-选择器">XPath 选择器</a><a aria-hidden="true" class="leve3 tocs-link" href="#入门">入门</a><a aria-hidden="true" class="leve3 tocs-link" href="#后代选择器">后代选择器</a><a aria-hidden="true" class="leve3 tocs-link" href="#有序选择器">有序选择器</a><a aria-hidden="true" class="leve3 tocs-link" href="#属性选择器">属性选择器</a><a aria-hidden="true" class="leve3 tocs-link" href="#兄弟姐妹选择器">兄弟姐妹选择器</a><a aria-hidden="true" class="leve3 tocs-link" href="#最有用的路径表达式">最有用的路径表达式</a><a aria-hidden="true" class="leve3 tocs-link" href="#杂项选择器">杂项选择器</a><a aria-hidden="true" class="leve3 tocs-link" href="#jquery">jQuery</a><a aria-hidden="true" class="leve3 tocs-link" href="#运算符">运算符</a><a aria-hidden="true" class="leve2 tocs-link" href="#xpath-表达式">XPath 表达式</a><a aria-hidden="true" class="leve3 tocs-link" href="#步骤和轴">步骤和轴</a><a aria-hidden="true" class="leve3 tocs-link" href="#前缀">前缀</a><a aria-hidden="true" class="leve3 tocs-link" href="#axes">Axes</a><a aria-hidden="true" class="leve2 tocs-link" href="#xpath-predicates谓词">XPath Predicates(谓词)</a><a aria-hidden="true" class="leve3 tocs-link" href="#predicates谓词">Predicates(谓词)</a><a aria-hidden="true" class="leve3 tocs-link" href="#操作符">操作符</a><a aria-hidden="true" class="leve3 tocs-link" href="#使用节点">使用节点</a><a aria-hidden="true" class="leve3 tocs-link" href="#索引">索引</a><a aria-hidden="true" class="leve3 tocs-link" href="#链接顺序">链接顺序</a><a aria-hidden="true" class="leve3 tocs-link" href="#嵌套谓词">嵌套谓词</a><a aria-hidden="true" class="leve2 tocs-link" href="#xpath-函数">XPath 函数</a><a aria-hidden="true" class="leve3 tocs-link" href="#节点功能">节点功能</a><a aria-hidden="true" class="leve3 tocs-link" href="#字符串函数">字符串函数</a><a aria-hidden="true" class="leve3 tocs-link" href="#布尔函数">布尔函数</a><a aria-hidden="true" class="leve3 tocs-link" href="#类型转换">类型转换</a><a aria-hidden="true" class="leve2 tocs-link" href="#xpath-axes">XPath Axes</a><a aria-hidden="true" class="leve3 tocs-link" href="#使用轴">使用轴</a><a aria-hidden="true" class="leve3 tocs-link" href="#子轴">子轴</a><a aria-hidden="true" class="leve3 tocs-link" href="#后代或自我轴">后代或自我轴</a><a aria-hidden="true" class="leve3 tocs-link" href="#其他轴">其他轴</a><a aria-hidden="true" class="leve3 tocs-link" href="#联合">联合</a><a aria-hidden="true" class="leve2 tocs-link" href="#xpath-更多示例">XPath 更多示例</a><a aria-hidden="true" class="leve3 tocs-link" href="#示例">示例</a><a aria-hidden="true" class="leve3 tocs-link" href="#查找父家长">查找(父)家长</a><a aria-hidden="true" class="leve3 tocs-link" href="#最近的">最近的</a><a aria-hidden="true" class="leve3 tocs-link" href="#属性">属性</a><a aria-hidden="true" class="leve2 tocs-link" href="#另见">另见</a></div></div><div class="h1wrap-body"><div class="wrap h2body-exist"><div class="wrap-header h2wrap"><h2 id="xpath-选择器"><a aria-hidden="true" tabindex="-1" href="#xpath-选择器"><span class="icon icon-link"></span></a>XPath 选择器</h2><div class="wrap-body">
+</div></div><div class="h2wrap-body"><div class="wrap h3body-not-exist row-span-2"><div class="wrap-header h3wrap"><h3 id="入门"><a aria-hidden="true" tabindex="-1" href="#入门"><span class="icon icon-link"></span></a>入门</h3><div class="wrap-body">
 <!--rehype:wrap-class=row-span-2-->
 <p>XPath 即为 XML 路径语言（XML Path Language），它是一种用来确定XML文档中某部分位置的计算机语言。</p>
 <ul>
@@ -60,7 +60,7 @@
 </span><span class="code-line"><span class="token function">$x</span><span class="token punctuation">(</span><span class="token string">'//h1'</span><span class="token punctuation">)</span><span class="token punctuation">[</span><span class="token number">0</span><span class="token punctuation">]</span><span class="token punctuation">.</span><span class="token property-access">innerText</span>
 </span><span class="code-line"><span class="token function">$x</span><span class="token punctuation">(</span><span class="token string">'//a[text()="XPath"]'</span><span class="token punctuation">)</span><span class="token punctuation">[</span><span class="token number">0</span><span class="token punctuation">]</span><span class="token punctuation">.</span><span class="token method function property-access">click</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
 </span></code></pre>
-</div></div></div><div class="wrap"><div class="wrap-header h3wrap"><h3 id="后代选择器"><a aria-hidden="true" tabindex="-1" href="#后代选择器"><span class="icon icon-link"></span></a>后代选择器</h3><div class="wrap-body">
+</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="后代选择器"><a aria-hidden="true" tabindex="-1" href="#后代选择器"><span class="icon icon-link"></span></a>后代选择器</h3><div class="wrap-body">
 
 
 
@@ -100,7 +100,7 @@
 
 <table class="show-header"><thead><tr><th>Xpath</th><th>CSS</th></tr></thead><tbody><tr><td><code>//h1</code></td><td>h1</td></tr><tr><td><code>//div//p</code></td><td>div p</td></tr><tr><td><code>//ul/li</code></td><td>ul > li</td></tr><tr><td><code>//ul/li/a</code></td><td>ul > li > a</td></tr><tr><td><code>//div/*</code></td><td>div > *</td></tr><tr><td><code>/</code></td><td>:root</td></tr><tr><td><code>/html/body</code></td><td>:root > body</td></tr></tbody></table>
 <!--rehype:className=show-header-->
-</div></div></div><div class="wrap"><div class="wrap-header h3wrap"><h3 id="有序选择器"><a aria-hidden="true" tabindex="-1" href="#有序选择器"><span class="icon icon-link"></span></a>有序选择器</h3><div class="wrap-body">
+</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="有序选择器"><a aria-hidden="true" tabindex="-1" href="#有序选择器"><span class="icon icon-link"></span></a>有序选择器</h3><div class="wrap-body">
 
 
 
@@ -136,7 +136,7 @@
 
 <table class="show-header"><thead><tr><th>Xpath</th><th>CSS</th></tr></thead><tbody><tr><td><code>//ul/li[1]</code></td><td>ul > li:first-child</td></tr><tr><td><code>//ul/li[2]</code></td><td>ul > li:nth-child(2)</td></tr><tr><td><code>//ul/li[last()]</code></td><td>ul > li:last-child</td></tr><tr><td><code>//li[@id="id"][1]</code></td><td>li#id:first-child</td></tr><tr><td><code>//a[1]</code></td><td>a:first-child</td></tr><tr><td><code>//a[last()]</code></td><td>a:last-child</td></tr></tbody></table>
 <!--rehype:className=show-header-->
-</div></div></div><div class="wrap col-span-2 row-span-2"><div class="wrap-header h3wrap"><h3 id="属性选择器"><a aria-hidden="true" tabindex="-1" href="#属性选择器"><span class="icon icon-link"></span></a>属性选择器</h3><div class="wrap-body">
+</div></div></div><div class="wrap h3body-not-exist col-span-2 row-span-2"><div class="wrap-header h3wrap"><h3 id="属性选择器"><a aria-hidden="true" tabindex="-1" href="#属性选择器"><span class="icon icon-link"></span></a>属性选择器</h3><div class="wrap-body">
 <!--rehype:wrap-class=col-span-2 row-span-2-->
 
 
@@ -185,7 +185,7 @@
 
 <table class="show-header"><thead><tr><th>Xpath</th><th>CSS</th></tr></thead><tbody><tr><td><code>//*[@id="id"]</code></td><td>#id</td></tr><tr><td><code>//*[@class="class"]</code></td><td>.class</td></tr><tr><td><code>//input[@type="submit"]</code></td><td>input[type="submit"]</td></tr><tr><td><code>//a[@id="abc"][@for="xyz"]</code></td><td>a#abc[for="xyz"]</td></tr><tr><td><code>//a[@rel]</code></td><td>a[rel]</td></tr><tr><td><code>//a[starts-with(@href, '/')]</code></td><td>a[href^='/']</td></tr><tr><td><code>//a[ends-with(@href, '.pdf')]</code></td><td>a[href$='pdf']</td></tr><tr><td><code>//a[contains(@href, '://')]</code></td><td>a[href*='<code>:</code>//']</td></tr><tr><td><code>//a[contains(@rel, 'help')]</code></td><td>a[rel~='help']</td></tr></tbody></table>
 <!--rehype:className=show-header-->
-</div></div></div><div class="wrap"><div class="wrap-header h3wrap"><h3 id="兄弟姐妹选择器"><a aria-hidden="true" tabindex="-1" href="#兄弟姐妹选择器"><span class="icon icon-link"></span></a>兄弟姐妹选择器</h3><div class="wrap-body">
+</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="兄弟姐妹选择器"><a aria-hidden="true" tabindex="-1" href="#兄弟姐妹选择器"><span class="icon icon-link"></span></a>兄弟姐妹选择器</h3><div class="wrap-body">
 
 
 
@@ -209,7 +209,7 @@
 
 <table class="show-header"><thead><tr><th>Xpath</th><th>CSS</th></tr></thead><tbody><tr><td><code>//h1/following-sibling::ul</code></td><td>h1 ~ ul</td></tr><tr><td><code>//h1/following-sibling::ul[1]</code></td><td>h1 + ul</td></tr><tr><td><code>//h1/following-sibling::[@id="id"]</code></td><td>h1 ~ #id</td></tr></tbody></table>
 <!--rehype:className=show-header-->
-</div></div></div><div class="wrap"><div class="wrap-header h3wrap"><h3 id="最有用的路径表达式"><a aria-hidden="true" tabindex="-1" href="#最有用的路径表达式"><span class="icon icon-link"></span></a>最有用的路径表达式</h3><div class="wrap-body">
+</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="最有用的路径表达式"><a aria-hidden="true" tabindex="-1" href="#最有用的路径表达式"><span class="icon icon-link"></span></a>最有用的路径表达式</h3><div class="wrap-body">
 
 
 
@@ -245,7 +245,7 @@
 
 <table class="show-header"><thead><tr><th>Xpath</th><th>CSS</th></tr></thead><tbody><tr><td><code>nodename</code></td><td>选择名称为 <code>nodename</code> 的所有节点</td></tr><tr><td><code>/</code></td><td>从根节点中选择</td></tr><tr><td><code>//</code></td><td>从当前节点中选择文档中与选择匹配的节点，无论它们在哪里</td></tr><tr><td><code>.</code></td><td>选择当前节点</td></tr><tr><td><code>..</code></td><td>选择当前节点的父节点</td></tr><tr><td><code>@</code></td><td>选择属性</td></tr></tbody></table>
 <!--rehype:className=show-header-->
-</div></div></div><div class="wrap col-span-2"><div class="wrap-header h3wrap"><h3 id="杂项选择器"><a aria-hidden="true" tabindex="-1" href="#杂项选择器"><span class="icon icon-link"></span></a>杂项选择器</h3><div class="wrap-body">
+</div></div></div><div class="wrap h3body-not-exist col-span-2"><div class="wrap-header h3wrap"><h3 id="杂项选择器"><a aria-hidden="true" tabindex="-1" href="#杂项选择器"><span class="icon icon-link"></span></a>杂项选择器</h3><div class="wrap-body">
 <!--rehype:wrap-class=col-span-2-->
 
 
@@ -290,7 +290,7 @@
 
 <table class="show-header"><thead><tr><th>Xpath</th><th>CSS</th></tr></thead><tbody><tr><td><code>//h1[not(@id)]</code></td><td>h1:not([id])</td></tr><tr><td><code>//button[text()="Submit"]</code></td><td>文字匹配</td></tr><tr><td><code>//button[contains(text(),"Go")]</code></td><td>文本包含（子字符串）</td></tr><tr><td><code>//product[@price > 2.50]</code></td><td>算术</td></tr><tr><td><code>//ul[*]</code></td><td>有孩子</td></tr><tr><td><code>//ul[li]</code></td><td>有孩子（具体）</td></tr><tr><td><code>//a[@name or @href]</code></td><td>或逻辑</td></tr><tr><td><code>//a | //div</code></td><td>联合（加入结果）</td></tr></tbody></table>
 <!--rehype:className=show-header-->
-</div></div></div><div class="wrap col-span-2"><div class="wrap-header h3wrap"><h3 id="jquery"><a aria-hidden="true" tabindex="-1" href="#jquery"><span class="icon icon-link"></span></a>jQuery</h3><div class="wrap-body">
+</div></div></div><div class="wrap h3body-not-exist col-span-2"><div class="wrap-header h3wrap"><h3 id="jquery"><a aria-hidden="true" tabindex="-1" href="#jquery"><span class="icon icon-link"></span></a>jQuery</h3><div class="wrap-body">
 <!--rehype:wrap-class=col-span-2-->
 
 
@@ -319,7 +319,7 @@
 
 <table class="show-header"><thead><tr><th>Xpath</th><th>CSS</th></tr></thead><tbody><tr><td><code>//ul/li/..</code></td><td>$('ul > li').parent()</td></tr><tr><td><code>//li/ancestor-or-self::section</code></td><td>$('li').closest('section')</td></tr><tr><td><code>//a/@href</code></td><td>$('a').attr('href')</td></tr><tr><td><code>//span/text()</code></td><td>$('span').text()</td></tr></tbody></table>
 <!--rehype:className=show-header-->
-</div></div></div><div class="wrap col-span-2"><div class="wrap-header h3wrap"><h3 id="运算符"><a aria-hidden="true" tabindex="-1" href="#运算符"><span class="icon icon-link"></span></a>运算符</h3><div class="wrap-body">
+</div></div></div><div class="wrap h3body-not-exist col-span-2"><div class="wrap-header h3wrap"><h3 id="运算符"><a aria-hidden="true" tabindex="-1" href="#运算符"><span class="icon icon-link"></span></a>运算符</h3><div class="wrap-body">
 <!--rehype:wrap-class=col-span-2-->
 
 
@@ -403,8 +403,8 @@
 
 <table class="show-header"><thead><tr><th align="left">运算符</th><th>说明</th><th>示例</th></tr></thead><tbody><tr><td align="left"><code>|</code></td><td>计算两个节点集</td><td><code>//book | //cd</code></td></tr><tr><td align="left"><code>+</code></td><td>添加</td><td><code>6 + 4</code></td></tr><tr><td align="left"><code>-</code></td><td>减法</td><td><code>6 - 4</code></td></tr><tr><td align="left"><code>*</code></td><td>乘法</td><td><code>6 * 4</code></td></tr><tr><td align="left"><code>div</code></td><td>分配</td><td><code>8 div 4</code></td></tr><tr><td align="left"><code>=</code></td><td>平等的</td><td><code>price=9.80</code></td></tr><tr><td align="left"><code>!=</code></td><td>不相等</td><td><code>price!=9.80</code></td></tr><tr><td align="left"><code>&#x3C;</code></td><td>小于</td><td><code>price&#x3C;9.80</code></td></tr><tr><td align="left"><code>&#x3C;=</code></td><td>小于或等于</td><td><code>price&#x3C;=9.80</code></td></tr><tr><td align="left"><code>></code></td><td>大于</td><td><code>price>9.80</code></td></tr><tr><td align="left"><code>>=</code></td><td>大于或等于</td><td><code>price>=9.80</code></td></tr><tr><td align="left"><code>or</code></td><td>或者</td><td><code>price=9.80</code> or <code>price=9.70</code></td></tr><tr><td align="left"><code>and</code></td><td>和</td><td><code>price>9.00</code> and <code>price&#x3C;9.90</code></td></tr><tr><td align="left"><code>mod</code></td><td>模数（除法余数）</td><td><code>5</code> mod <code>2</code></td></tr></tbody></table>
 <!--rehype:className=show-header-->
-</div></div></div></div></div><div class="wrap"><div class="wrap-header h2wrap"><h2 id="xpath-表达式"><a aria-hidden="true" tabindex="-1" href="#xpath-表达式"><span class="icon icon-link"></span></a>XPath 表达式</h2><div class="wrap-body">
-</div></div><div class="h2wrap-body"><div class="wrap"><div class="wrap-header h3wrap"><h3 id="步骤和轴"><a aria-hidden="true" tabindex="-1" href="#步骤和轴"><span class="icon icon-link"></span></a>步骤和轴</h3><div class="wrap-body">
+</div></div></div></div></div><div class="wrap h2body-exist"><div class="wrap-header h2wrap"><h2 id="xpath-表达式"><a aria-hidden="true" tabindex="-1" href="#xpath-表达式"><span class="icon icon-link"></span></a>XPath 表达式</h2><div class="wrap-body">
+</div></div><div class="h2wrap-body"><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="步骤和轴"><a aria-hidden="true" tabindex="-1" href="#步骤和轴"><span class="icon icon-link"></span></a>步骤和轴</h3><div class="wrap-body">
 
 
 
@@ -429,7 +429,7 @@
 
 
 <table><thead><tr><th>-</th><th>-</th><th>-</th><th>-</th></tr></thead><tbody><tr><td><code>//</code></td><td><code>ul</code></td><td><code>/</code></td><td><code>a[@id='link']</code></td></tr><tr><td>Axis</td><td>Step</td><td>Axis</td><td>Step</td></tr></tbody></table>
-</div></div></div><div class="wrap"><div class="wrap-header h3wrap"><h3 id="前缀"><a aria-hidden="true" tabindex="-1" href="#前缀"><span class="icon icon-link"></span></a>前缀</h3><div class="wrap-body">
+</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="前缀"><a aria-hidden="true" tabindex="-1" href="#前缀"><span class="icon icon-link"></span></a>前缀</h3><div class="wrap-body">
 
 
 
@@ -457,7 +457,7 @@
 
 <table class="show-header"><thead><tr><th>前缀</th><th>例子</th><th>意思是</th></tr></thead><tbody><tr><td><code>//</code></td><td><code>//hr[@class='edge']</code></td><td>任何地方</td></tr><tr><td><code>/</code></td><td><code>/html/body/div</code></td><td>根</td></tr><tr><td><code>./</code></td><td><code>./div/p</code></td><td>相对的</td></tr></tbody></table>
 <!--rehype:className=show-header-->
-</div></div></div><div class="wrap"><div class="wrap-header h3wrap"><h3 id="axes"><a aria-hidden="true" tabindex="-1" href="#axes"><span class="icon icon-link"></span></a>Axes</h3><div class="wrap-body">
+</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="axes"><a aria-hidden="true" tabindex="-1" href="#axes"><span class="icon icon-link"></span></a>Axes</h3><div class="wrap-body">
 
 
 
@@ -480,14 +480,14 @@
 
 <table class="show-header"><thead><tr><th>Axis(轴)</th><th>例子</th><th>意思是</th></tr></thead><tbody><tr><td><code>/</code></td><td><code>//ul/li/a</code></td><td>孩子</td></tr><tr><td><code>//</code></td><td><code>//[@id="list"]//a</code></td><td>后裔</td></tr></tbody></table>
 <!--rehype:className=show-header-->
-</div></div></div></div></div><div class="wrap"><div class="wrap-header h2wrap"><h2 id="xpath-predicates谓词"><a aria-hidden="true" tabindex="-1" href="#xpath-predicates谓词"><span class="icon icon-link"></span></a>XPath Predicates(谓词)</h2><div class="wrap-body">
-</div></div><div class="h2wrap-body"><div class="wrap"><div class="wrap-header h3wrap"><h3 id="predicates谓词"><a aria-hidden="true" tabindex="-1" href="#predicates谓词"><span class="icon icon-link"></span></a>Predicates(谓词)</h3><div class="wrap-body">
+</div></div></div></div></div><div class="wrap h2body-exist"><div class="wrap-header h2wrap"><h2 id="xpath-predicates谓词"><a aria-hidden="true" tabindex="-1" href="#xpath-predicates谓词"><span class="icon icon-link"></span></a>XPath Predicates(谓词)</h2><div class="wrap-body">
+</div></div><div class="h2wrap-body"><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="predicates谓词"><a aria-hidden="true" tabindex="-1" href="#predicates谓词"><span class="icon icon-link"></span></a>Predicates(谓词)</h3><div class="wrap-body">
 <pre class="language-bash"><code class="language-bash code-highlight"><span class="code-line">//div<span class="token punctuation">[</span>true<span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">]</span>
 </span><span class="code-line">//div<span class="token punctuation">[</span>@class<span class="token operator">=</span><span class="token string">"head"</span><span class="token punctuation">]</span>
 </span><span class="code-line">//div<span class="token punctuation">[</span>@class<span class="token operator">=</span><span class="token string">"head"</span><span class="token punctuation">]</span><span class="token punctuation">[</span>@id<span class="token operator">=</span><span class="token string">"top"</span><span class="token punctuation">]</span>
 </span></code></pre>
 <p>仅当某些条件为真时才限制节点集。它们可以被链接起来。</p>
-</div></div></div><div class="wrap"><div class="wrap-header h3wrap"><h3 id="操作符"><a aria-hidden="true" tabindex="-1" href="#操作符"><span class="icon icon-link"></span></a>操作符</h3><div class="wrap-body">
+</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="操作符"><a aria-hidden="true" tabindex="-1" href="#操作符"><span class="icon icon-link"></span></a>操作符</h3><div class="wrap-body">
 <pre class="language-bash"><code class="language-bash code-highlight"><span class="code-line"><span class="token comment"># 比较</span>
 </span><span class="code-line">//a<span class="token punctuation">[</span>@id <span class="token operator">=</span> <span class="token string">"xyz"</span><span class="token punctuation">]</span>
 </span><span class="code-line">//a<span class="token punctuation">[</span>@id <span class="token operator">!=</span> <span class="token string">"xyz"</span><span class="token punctuation">]</span>
@@ -497,7 +497,7 @@
 </span><span class="code-line">//div<span class="token punctuation">[</span>@id<span class="token operator">=</span><span class="token string">"head"</span> and position<span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token operator">=</span><span class="token number">2</span><span class="token punctuation">]</span>
 </span><span class="code-line">//div<span class="token punctuation">[</span><span class="token punctuation">(</span>x and y<span class="token punctuation">)</span> or not<span class="token punctuation">(</span>z<span class="token punctuation">)</span><span class="token punctuation">]</span>
 </span></code></pre>
-</div></div></div><div class="wrap"><div class="wrap-header h3wrap"><h3 id="使用节点"><a aria-hidden="true" tabindex="-1" href="#使用节点"><span class="icon icon-link"></span></a>使用节点</h3><div class="wrap-body">
+</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="使用节点"><a aria-hidden="true" tabindex="-1" href="#使用节点"><span class="icon icon-link"></span></a>使用节点</h3><div class="wrap-body">
 <pre class="language-bash"><code class="language-bash code-highlight"><span class="code-line"><span class="token comment"># 在函数内部使用它们</span>
 </span><span class="code-line">//ul<span class="token punctuation">[</span>count<span class="token punctuation">(</span>li<span class="token punctuation">)</span> <span class="token operator">></span> <span class="token number">2</span><span class="token punctuation">]</span>
 </span><span class="code-line">//ul<span class="token punctuation">[</span>count<span class="token punctuation">(</span>li<span class="token punctuation">[</span>@class<span class="token operator">=</span><span class="token string">'hide'</span><span class="token punctuation">]</span><span class="token punctuation">)</span> <span class="token operator">></span> <span class="token number">0</span><span class="token punctuation">]</span>
@@ -506,7 +506,7 @@
 </span><span class="code-line">//ul<span class="token punctuation">[</span>li<span class="token punctuation">]</span>
 </span></code></pre>
 <p>您可以在谓词中使用节点。</p>
-</div></div></div><div class="wrap"><div class="wrap-header h3wrap"><h3 id="索引"><a aria-hidden="true" tabindex="-1" href="#索引"><span class="icon icon-link"></span></a>索引</h3><div class="wrap-body">
+</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="索引"><a aria-hidden="true" tabindex="-1" href="#索引"><span class="icon icon-link"></span></a>索引</h3><div class="wrap-body">
 <pre class="language-bash"><code class="language-bash code-highlight"><span class="code-line">//a<span class="token punctuation">[</span><span class="token number">1</span><span class="token punctuation">]</span>                <span class="token comment"># 第一个&#x3C;a></span>
 </span><span class="code-line">//a<span class="token punctuation">[</span>last<span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">]</span>           <span class="token comment"># 最后一个&#x3C;a></span>
 </span><span class="code-line">//ol/li<span class="token punctuation">[</span><span class="token number">2</span><span class="token punctuation">]</span>            <span class="token comment"># 第二个&#x3C;li></span>
@@ -514,18 +514,18 @@
 </span><span class="code-line">//ol/li<span class="token punctuation">[</span>position<span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token operator">></span><span class="token number">1</span><span class="token punctuation">]</span> <span class="token comment">#:not(:first-child)</span>
 </span></code></pre>
 <p>将 <code>[]</code> 与数字一起使用，或者使用 <code>last()</code> 或 <code>position()</code>。</p>
-</div></div></div><div class="wrap"><div class="wrap-header h3wrap"><h3 id="链接顺序"><a aria-hidden="true" tabindex="-1" href="#链接顺序"><span class="icon icon-link"></span></a>链接顺序</h3><div class="wrap-body">
+</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="链接顺序"><a aria-hidden="true" tabindex="-1" href="#链接顺序"><span class="icon icon-link"></span></a>链接顺序</h3><div class="wrap-body">
 <pre class="language-bash"><code class="language-bash code-highlight"><span class="code-line">a<span class="token punctuation">[</span><span class="token number">1</span><span class="token punctuation">]</span><span class="token punctuation">[</span>@href<span class="token operator">=</span><span class="token string">'/'</span><span class="token punctuation">]</span>
 </span><span class="code-line">a<span class="token punctuation">[</span>@href<span class="token operator">=</span><span class="token string">'/'</span><span class="token punctuation">]</span><span class="token punctuation">[</span><span class="token number">1</span><span class="token punctuation">]</span>
 </span></code></pre>
 <p>顺序很重要，这两个是不同的。</p>
-</div></div></div><div class="wrap"><div class="wrap-header h3wrap"><h3 id="嵌套谓词"><a aria-hidden="true" tabindex="-1" href="#嵌套谓词"><span class="icon icon-link"></span></a>嵌套谓词</h3><div class="wrap-body">
+</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="嵌套谓词"><a aria-hidden="true" tabindex="-1" href="#嵌套谓词"><span class="icon icon-link"></span></a>嵌套谓词</h3><div class="wrap-body">
 <pre><code class="code-highlight"><span class="code-line">//section[.//h1[@id='hi']]
 </span></code></pre>
 <p>如果它有一个具有 <code>id='hi'</code> 的 <code>&#x3C;h1></code> 后代，则返回 <code>&#x3C;section></code>。</p>
-</div></div></div></div></div><div class="wrap"><div class="wrap-header h2wrap"><h2 id="xpath-函数"><a aria-hidden="true" tabindex="-1" href="#xpath-函数"><span class="icon icon-link"></span></a>XPath 函数</h2><div class="wrap-body">
+</div></div></div></div></div><div class="wrap h2body-exist"><div class="wrap-header h2wrap"><h2 id="xpath-函数"><a aria-hidden="true" tabindex="-1" href="#xpath-函数"><span class="icon icon-link"></span></a>XPath 函数</h2><div class="wrap-body">
 <!--rehype:body-class=cols-2-->
-</div></div><div class="h2wrap-body cols-2"><div class="wrap"><div class="wrap-header h3wrap"><h3 id="节点功能"><a aria-hidden="true" tabindex="-1" href="#节点功能"><span class="icon icon-link"></span></a>节点功能</h3><div class="wrap-body">
+</div></div><div class="h2wrap-body cols-2"><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="节点功能"><a aria-hidden="true" tabindex="-1" href="#节点功能"><span class="icon icon-link"></span></a>节点功能</h3><div class="wrap-body">
 <pre class="language-bash"><code class="language-bash code-highlight"><span class="code-line">name<span class="token punctuation">(</span><span class="token punctuation">)</span>            <span class="token comment"># //[starts-with(name(), 'h')]</span>
 </span><span class="code-line">text<span class="token punctuation">(</span><span class="token punctuation">)</span>            <span class="token comment"># //button[text()="Submit"]</span>
 </span><span class="code-line">                  <span class="token comment"># //button/text()</span>
@@ -535,7 +535,7 @@
 <pre class="language-bash"><code class="language-bash code-highlight"><span class="code-line">count<span class="token punctuation">(</span><span class="token punctuation">)</span>           <span class="token comment"># //table[count(tr)=1]</span>
 </span><span class="code-line">position<span class="token punctuation">(</span><span class="token punctuation">)</span>        <span class="token comment"># //ol/li[position()=2]</span>
 </span></code></pre>
-</div></div></div><div class="wrap"><div class="wrap-header h3wrap"><h3 id="字符串函数"><a aria-hidden="true" tabindex="-1" href="#字符串函数"><span class="icon icon-link"></span></a>字符串函数</h3><div class="wrap-body">
+</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="字符串函数"><a aria-hidden="true" tabindex="-1" href="#字符串函数"><span class="icon icon-link"></span></a>字符串函数</h3><div class="wrap-body">
 <pre class="language-bash"><code class="language-bash code-highlight"><span class="code-line">contains<span class="token punctuation">(</span><span class="token punctuation">)</span>        <span class="token comment"># font[contains(@class,"head")]</span>
 </span><span class="code-line">starts-with<span class="token punctuation">(</span><span class="token punctuation">)</span>     <span class="token comment"># font[starts-with(@class,"head")]</span>
 </span><span class="code-line">ends-with<span class="token punctuation">(</span><span class="token punctuation">)</span>       <span class="token comment"># font[ends-with(@class,"head")]</span>
@@ -548,17 +548,17 @@
 </span><span class="code-line">normalize-space<span class="token punctuation">(</span><span class="token punctuation">)</span>
 </span><span class="code-line">string-length<span class="token punctuation">(</span><span class="token punctuation">)</span>
 </span></code></pre>
-</div></div></div><div class="wrap"><div class="wrap-header h3wrap"><h3 id="布尔函数"><a aria-hidden="true" tabindex="-1" href="#布尔函数"><span class="icon icon-link"></span></a>布尔函数</h3><div class="wrap-body">
+</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="布尔函数"><a aria-hidden="true" tabindex="-1" href="#布尔函数"><span class="icon icon-link"></span></a>布尔函数</h3><div class="wrap-body">
 <pre class="language-bash"><code class="language-bash code-highlight"><span class="code-line">not<span class="token punctuation">(</span>expr<span class="token punctuation">)</span>         <span class="token comment"># button[not(starts-with(text(),"Submit"))]</span>
 </span></code></pre>
-</div></div></div><div class="wrap"><div class="wrap-header h3wrap"><h3 id="类型转换"><a aria-hidden="true" tabindex="-1" href="#类型转换"><span class="icon icon-link"></span></a>类型转换</h3><div class="wrap-body">
+</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="类型转换"><a aria-hidden="true" tabindex="-1" href="#类型转换"><span class="icon icon-link"></span></a>类型转换</h3><div class="wrap-body">
 <pre class="language-bash"><code class="language-bash code-highlight"><span class="code-line">string<span class="token punctuation">(</span><span class="token punctuation">)</span>
 </span><span class="code-line">number<span class="token punctuation">(</span><span class="token punctuation">)</span>
 </span><span class="code-line">boolean<span class="token punctuation">(</span><span class="token punctuation">)</span>
 </span></code></pre>
-</div></div></div></div></div><div class="wrap"><div class="wrap-header h2wrap"><h2 id="xpath-axes"><a aria-hidden="true" tabindex="-1" href="#xpath-axes"><span class="icon icon-link"></span></a>XPath Axes</h2><div class="wrap-body">
+</div></div></div></div></div><div class="wrap h2body-exist"><div class="wrap-header h2wrap"><h2 id="xpath-axes"><a aria-hidden="true" tabindex="-1" href="#xpath-axes"><span class="icon icon-link"></span></a>XPath Axes</h2><div class="wrap-body">
 <!--rehype:body-class=cols-2-->
-</div></div><div class="h2wrap-body cols-2"><div class="wrap"><div class="wrap-header h3wrap"><h3 id="使用轴"><a aria-hidden="true" tabindex="-1" href="#使用轴"><span class="icon icon-link"></span></a>使用轴</h3><div class="wrap-body">
+</div></div><div class="h2wrap-body cols-2"><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="使用轴"><a aria-hidden="true" tabindex="-1" href="#使用轴"><span class="icon icon-link"></span></a>使用轴</h3><div class="wrap-body">
 <pre class="language-bash"><code class="language-bash code-highlight"><span class="code-line">//ul/li                       <span class="token comment"># ul > li</span>
 </span><span class="code-line">//ul/child::li                <span class="token comment"># ul > li (same)</span>
 </span><span class="code-line">//ul/following-sibling::li    <span class="token comment"># ul ~ li</span>
@@ -591,7 +591,7 @@
 
 <table><thead><tr><th></th><th></th><th></th><th></th></tr></thead><tbody><tr><td><code>//</code></td><td><code>ul</code></td><td><code>/child::</code></td><td><code>li</code></td></tr><tr><td>Axis</td><td>Step</td><td>Axis</td><td>Step</td></tr></tbody></table>
 <p>表达式的步骤由 <code>/</code> 分隔，通常用于选择子节点。 这并不总是正确的：您可以使用 <code>::</code> 指定不同的“轴”。</p>
-</div></div></div><div class="wrap"><div class="wrap-header h3wrap"><h3 id="子轴"><a aria-hidden="true" tabindex="-1" href="#子轴"><span class="icon icon-link"></span></a>子轴</h3><div class="wrap-body">
+</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="子轴"><a aria-hidden="true" tabindex="-1" href="#子轴"><span class="icon icon-link"></span></a>子轴</h3><div class="wrap-body">
 <pre class="language-bash"><code class="language-bash code-highlight"><span class="code-line"><span class="token comment"># 都一样</span>
 </span><span class="code-line">//ul/li/a
 </span><span class="code-line">//child::ul/child::li/child::a
@@ -606,7 +606,7 @@
 </span><span class="code-line">//ul<span class="token punctuation">[</span>count<span class="token punctuation">(</span>li<span class="token punctuation">)</span> <span class="token operator">></span> <span class="token number">2</span><span class="token punctuation">]</span>
 </span><span class="code-line">//ul<span class="token punctuation">[</span>count<span class="token punctuation">(</span>child::li<span class="token punctuation">)</span> <span class="token operator">></span> <span class="token number">2</span><span class="token punctuation">]</span>
 </span></code></pre>
-</div></div></div><div class="wrap"><div class="wrap-header h3wrap"><h3 id="后代或自我轴"><a aria-hidden="true" tabindex="-1" href="#后代或自我轴"><span class="icon icon-link"></span></a>后代或自我轴</h3><div class="wrap-body">
+</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="后代或自我轴"><a aria-hidden="true" tabindex="-1" href="#后代或自我轴"><span class="icon icon-link"></span></a>后代或自我轴</h3><div class="wrap-body">
 <pre class="language-bash"><code class="language-bash code-highlight"><span class="code-line"><span class="token comment"># 都一样</span>
 </span><span class="code-line">//div//h4
 </span><span class="code-line">//div/descendant-or-self::h4
@@ -616,7 +616,7 @@
 </span><span class="code-line">//ul//<span class="token punctuation">[</span>last<span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">]</span>
 </span><span class="code-line">//ul/descendant-or-self::<span class="token punctuation">[</span>last<span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">]</span>
 </span></code></pre>
-</div></div></div><div class="wrap row-span-2"><div class="wrap-header h3wrap"><h3 id="其他轴"><a aria-hidden="true" tabindex="-1" href="#其他轴"><span class="icon icon-link"></span></a>其他轴</h3><div class="wrap-body">
+</div></div></div><div class="wrap h3body-not-exist row-span-2"><div class="wrap-header h3wrap"><h3 id="其他轴"><a aria-hidden="true" tabindex="-1" href="#其他轴"><span class="icon icon-link"></span></a>其他轴</h3><div class="wrap-body">
 <!--rehype:wrap-class=row-span-2-->
 
 
@@ -696,13 +696,13 @@
 <table class="show-header"><thead><tr><th>Axis</th><th>Abbrev</th><th>Notes</th></tr></thead><tbody><tr><td><code>ancestor</code></td><td></td><td>选择当前节点的所有祖先(父母、祖父母等)</td></tr><tr><td><code>ancestor-or-self</code></td><td></td><td>选择当前节点所有祖先(父、祖父等)和当前节点本身</td></tr><tr><td><code>attribute</code></td><td><code>@</code></td><td><code>@href</code> 是 <code>attribute::href</code> 的缩写</td></tr><tr><td><code>child</code></td><td></td><td><code>div</code> 是 <code>child::div</code> 的缩写</td></tr><tr><td><code>descendant</code></td><td></td><td>选择当前节点的所有后代（子、孙等）</td></tr><tr><td><code>descendant-or-self</code></td><td><code>//</code></td><td><code>//</code> 是 <code>/descendant-or-self::node()/</code>的缩写  选择当前节点和当前节点本身的所有后代（子、孙等）</td></tr><tr><td><code>namespace</code></td><td></td><td>选择当前节点的所有命名空间节点</td></tr><tr><td><code>self</code></td><td><code>.</code></td><td><code>.</code> 是 <code>self::node()</code> 的缩写，选择当前节点</td></tr><tr><td><code>parent</code></td><td><code>..</code></td><td><code>..</code> 是 <code>parent::node()</code> 的缩写，选择当前节点的父节点</td></tr><tr><td><code>following</code></td><td></td><td>选择文档中当前节点结束标记之后的所有内容</td></tr><tr><td><code>following-sibling</code></td><td></td><td>选择当前节点之后的所有兄弟节点</td></tr><tr><td><code>preceding</code></td><td></td><td>选择文档中出现在当前节点之前的所有节点，除了祖先、属性节点和命名空间节点</td></tr><tr><td><code>preceding-sibling</code></td><td></td><td>选择当前节点之前的所有兄弟节点</td></tr></tbody></table>
 <!--rehype:className=show-header-->
 <p>您还可以使用其他轴。</p>
-</div></div></div><div class="wrap"><div class="wrap-header h3wrap"><h3 id="联合"><a aria-hidden="true" tabindex="-1" href="#联合"><span class="icon icon-link"></span></a>联合</h3><div class="wrap-body">
+</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="联合"><a aria-hidden="true" tabindex="-1" href="#联合"><span class="icon icon-link"></span></a>联合</h3><div class="wrap-body">
 <pre class="language-bash"><code class="language-bash code-highlight"><span class="code-line">//a <span class="token operator">|</span> //span
 </span></code></pre>
 <p>使用 <code>|</code> 连接两个表达式。</p>
-</div></div></div></div></div><div class="wrap"><div class="wrap-header h2wrap"><h2 id="xpath-更多示例"><a aria-hidden="true" tabindex="-1" href="#xpath-更多示例"><span class="icon icon-link"></span></a>XPath 更多示例</h2><div class="wrap-body">
+</div></div></div></div></div><div class="wrap h2body-exist"><div class="wrap-header h2wrap"><h2 id="xpath-更多示例"><a aria-hidden="true" tabindex="-1" href="#xpath-更多示例"><span class="icon icon-link"></span></a>XPath 更多示例</h2><div class="wrap-body">
 <!--rehype:body-class=cols-2-->
-</div></div><div class="h2wrap-body cols-2"><div class="wrap"><div class="wrap-header h3wrap"><h3 id="示例"><a aria-hidden="true" tabindex="-1" href="#示例"><span class="icon icon-link"></span></a>示例</h3><div class="wrap-body">
+</div></div><div class="h2wrap-body cols-2"><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="示例"><a aria-hidden="true" tabindex="-1" href="#示例"><span class="icon icon-link"></span></a>示例</h3><div class="wrap-body">
 <pre class="language-bash"><code class="language-bash code-highlight"><span class="code-line">//*                 <span class="token comment"># 所有元素</span>
 </span><span class="code-line">count<span class="token punctuation">(</span>//*<span class="token punctuation">)</span>          <span class="token comment"># 计算所有元素</span>
 </span><span class="code-line"><span class="token punctuation">(</span>//h1<span class="token punctuation">)</span><span class="token punctuation">[</span><span class="token number">1</span><span class="token punctuation">]</span>/text<span class="token punctuation">(</span><span class="token punctuation">)</span>    <span class="token comment"># 第一个 h1 标题的文本</span>
@@ -710,7 +710,7 @@
 </span><span class="code-line">                    <span class="token comment"># ...扩展到 //li[child::span]</span>
 </span><span class="code-line">//ul/li/<span class="token punctuation">..</span>          <span class="token comment"># 使用 .. 选择父级</span>
 </span></code></pre>
-</div></div></div><div class="wrap"><div class="wrap-header h3wrap"><h3 id="查找父家长"><a aria-hidden="true" tabindex="-1" href="#查找父家长"><span class="icon icon-link"></span></a>查找(父)家长</h3><div class="wrap-body">
+</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="查找父家长"><a aria-hidden="true" tabindex="-1" href="#查找父家长"><span class="icon icon-link"></span></a>查找(父)家长</h3><div class="wrap-body">
 <pre class="language-bash"><code class="language-bash code-highlight"><span class="code-line">//section<span class="token punctuation">[</span>h1<span class="token punctuation">[</span>@id<span class="token operator">=</span><span class="token string">'section-name'</span><span class="token punctuation">]</span><span class="token punctuation">]</span>
 </span></code></pre>
 <p>查找直接包含 <code>h1#section-name</code> 的 <code>&#x3C;section></code></p>
@@ -718,15 +718,15 @@
 </span></code></pre>
 <p>查找包含 <code>h1#section-name</code> 的 <code>&#x3C;section></code>。
 （与上面相同，但使用后代或自我而不是孩子）</p>
-</div></div></div><div class="wrap"><div class="wrap-header h3wrap"><h3 id="最近的"><a aria-hidden="true" tabindex="-1" href="#最近的"><span class="icon icon-link"></span></a>最近的</h3><div class="wrap-body">
+</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="最近的"><a aria-hidden="true" tabindex="-1" href="#最近的"><span class="icon icon-link"></span></a>最近的</h3><div class="wrap-body">
 <pre class="language-bash"><code class="language-bash code-highlight"><span class="code-line">./ancestor-or-self::<span class="token punctuation">[</span>@class<span class="token operator">=</span><span class="token string">"box"</span><span class="token punctuation">]</span>
 </span></code></pre>
 <p>像 <code>jQuery</code> 的 <code>$().closest('.box')</code> 一样工作。</p>
-</div></div></div><div class="wrap"><div class="wrap-header h3wrap"><h3 id="属性"><a aria-hidden="true" tabindex="-1" href="#属性"><span class="icon icon-link"></span></a>属性</h3><div class="wrap-body">
+</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="属性"><a aria-hidden="true" tabindex="-1" href="#属性"><span class="icon icon-link"></span></a>属性</h3><div class="wrap-body">
 <pre class="language-bash"><code class="language-bash code-highlight"><span class="code-line">//item<span class="token punctuation">[</span>@price <span class="token operator">></span> <span class="token number">2</span>*@discount<span class="token punctuation">]</span>
 </span></code></pre>
 <p>查找 <code>&#x3C;item></code> 并检查其属性</p>
-</div></div></div></div></div><div class="wrap"><div class="wrap-header h2wrap"><h2 id="另见"><a aria-hidden="true" tabindex="-1" href="#另见"><span class="icon icon-link"></span></a>另见</h2><div class="wrap-body">
+</div></div></div></div></div><div class="wrap h2body-not-exist"><div class="wrap-header h2wrap"><h2 id="另见"><a aria-hidden="true" tabindex="-1" href="#另见"><span class="icon icon-link"></span></a>另见</h2><div class="wrap-body">
 <ul>
 <li><a href="https://devhints.io/xpath">Devhints</a> <em>(devhints.io)</em></li>
 <li><a href="http://www.whitebeam.org/library/guide/TechNotes/xpathtestbed.rhtm">Xpath test bed</a> <em>(whitebeam.org)</em></li>
@@ -744,8 +744,6 @@ function anchorPoint() {
   Array.from(document.querySelectorAll('.h2wrap-body .wrap')).forEach((elm) => elm.classList.remove('active'))
   if (elm?.tagName === 'H3') {
     elm?.parentElement?.parentElement?.classList.add('active');
-    const box = elm?.parentElement?.parentElement;
-    console.log('elm:2', box, document.querySelectorAll('.h2wrap-body .wrap'))
   }
 }
 anchorPoint();
@@ -756,7 +754,6 @@ function updateAnchor(element) {
     tocanchor.classList.remove('is-active-link');
   });
   const anchor = element || document.querySelector(`a.tocs-link[href='${decodeURIComponent(window.location.hash)}']`);
-  console.log('anchor', anchor)
   if (anchor) {
     anchor.classList.add('is-active-link');
   }