怎么用JS得到标签里面的HTML代码~</h1></div> <div class="user-card" data-v-0c168368><div class="user-title flex align-center" data-v-21e3c89c data-v-0c168368><a href="https://blog.csdn.net/xiaoyao1212121" target="_blank" class="flex align-center" data-v-21e3c89c><img src="https://profile-avatar.csdnimg.cn/270d9b6aba0e4276a00bf830d5cccaaf_xiaoyao1212121.jpg!1" alt class="head" data-v-21e3c89c> <span class="name" data-v-21e3c89c>xiaoyao1212121</span></a> <span class="cop flex1" data-v-21e3c89c>   <span class="cop-p time" data-v-21e3c89c>2013-08-15 11:40:40</span> </span> <div class="foot-btn-more" data-v-21e3c89c> </div></div></div>    <div id="blogDetail2" class="markdown_views htmledit_views" data-v-0c168368>我把iframe标签（id="tryit"）设置成了“可编辑模式”(tryit.document.designMode="On";)<br /> 初始化让 tryit.document.innerHTML += tryit.document.write("<p>d都是sd</p>"); <br /> 然后我在这个框框里面添加 "你好呀！",想要提取出iframe里面的html代码<br /> <span style="color:#FF0000;"><p>d都是sd你好呀！</p></span><br /> <br /> 我用 tryit.document.innerHTML 得到的值是NAN</div></div></div></div> <div class="test" data-v-0c168368> ...全文 </div> </div>      <div class="vote-outer" style="margin-bottom: 16px;" data-v-56585d28><div class="vote-content" data-v-6331320d data-v-56585d28></div></div> <div class="rates-outer flex align-items-center" data-v-756eb1fa data-v-56585d28> <div role="slider" aria-valuenow="0" aria-valuemin="0" aria-valuemax="5" tabindex="0" class="el-rate" data-v-756eb1fa><span class="el-rateitem" style="cursor:pointer;"><i class="el-rateicon el-icon-star-off" style="color:#999AAA;"></i></span><span class="el-rateitem" style="cursor:pointer;"><i class="el-rateicon el-icon-star-off" style="color:#999AAA;"></i></span><span class="el-rateitem" style="cursor:pointer;"><i class="el-rateicon el-icon-star-off" style="color:#999AAA;"></i></span><span class="el-rateitem" style="cursor:pointer;"><i class="el-rateicon el-icon-star-off" style="color:#999AAA;"></i></span><span class="el-rateitem" style="cursor:pointer;"><i class="el-rateicon 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id="el-popover-4854" aria-hidden="true" class="el-popover el-popper popo share-popover" style="width:265px;display:none;"><div id="tool-QRcode" class="QRcode" data-v-ca030a68><img src="https://csdnimg.cn/release/cmsfe/public/img/shareBg2.05330abf.png" alt="" class="share-bg" data-v-ca030a68> <div class="share-bg-box" data-v-ca030a68><div class="share-content" data-v-ca030a68><img src="https://profile-avatar.csdnimg.cn/270d9b6aba0e4276a00bf830d5cccaaf_xiaoyao1212121.jpg!1" alt="" class="share-avatar" data-v-ca030a68> <div class="share-tit" data-v-ca030a68>怎么用JS得到<Iframe>标签里面的HTML代码~</div> <div class="share-dec" data-v-ca030a68>我把iframe标签（id="tryit"）设置成了“可编辑模式”(tryit.document.designMode="On";) 初始化让 tryit.document.innerHTML += tryit.document.write("d都是sd"); 然后我在这个框框里面添加 "你好呀！",想要提取出iframe里面的html代码 d都是sd你好呀！我用 tryit.document.innerHTML 得到的值是NAN</div> <span class="copy-share-url" data-v-ca030a68>复制链接</span> <div class="shareText" data-v-ca030a68> </div></div> <div class="share-code" 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class="rit-btn" data-v-aeae4ab6><i class="icon icon-switch" data-v-aeae4ab6></i> <span data-v-aeae4ab6>切换为时间正序</span></div></header> <div class="comment-plugin" data-v-1ba719dd data-v-aeae4ab6><div class="init-box" data-v-1ba719dd><div class="input-box" data-v-1ba719dd>请发表友善的回复…</div> <div class="btn-reply" data-v-1ba719dd>发表回复</div></div> <div data-v-1ba719dd><div class="rich-editor detailReplay" style="display:none;" data-v-06960096 data-v-1ba719dd>   <div id="mdEditor" class="area" data-v-06960096></div></div></div> <div class="el-dialogwrapper" style="display:none;" data-v-1ba719dd><div role="dialog" aria-modal="true" aria-label="dialog" class="el-dialog redEnvolope-form-reward-dialog" style="margin-top:15vh;width:400px;"><div class="el-dialogheader"><div class="el-dialog__custom-header"><span class="main_title">打赏红包</span> <img 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data-v-395b6e48><span class="name" data-v-395b6e48><a target="_blank" href="https://blog.csdn.net/yzsunlight" class="name" data-v-395b6e48>yzsunlight</a>   <span class="time" data-v-395b6e48>2013-08-15</span></span> </div> <div class="user-operate clearTpaErr" data-v-395b6e48><span class="operate" data-v-395b6e48><i class="icon icon-operate" data-v-395b6e48></i> <div class="option-box" data-v-395b6e48><ul class="ul-box" data-v-395b6e48><li data-v-395b6e48>打赏</li><li data-v-395b6e48>举报</li></ul></div></span> <span data-report-click="{"spm":"3001.5991"}" class="reply" data-v-395b6e48><i class="icon icon-reply" data-v-395b6e48></i> <span data-v-395b6e48>回复</span></span>   <span data-report-click="{"spm":"3001.5992"}" class="love" data-v-395b6e48> <i class="icon" data-v-395b6e48></i></span></div></div> <div class="comment-msg" data-v-395b6e48><div class="msg" data-v-395b6e48> <span id="text-395311992" class="text rich-text blog-content-box htmledit_views markdown_views" data-v-395b6e48>A.html <pre><code class="language-html"> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML> <HEAD> <TITLE> New Document </TITLE> <META NAME="Generator" CONTENT="EditPlus"> <META NAME="Author" CONTENT=""> <META NAME="Keywords" CONTENT=""> <META NAME="Description" CONTENT=""> <SCRIPT LANGUAGE="JavaScript">  </SCRIPT> </HEAD> <BODY> <INPUT TYPE="button" VALUE="AAA" ONCLICK="javascript:test()"> <iframe src="b.html"/> </BODY> </HTML> </code></pre> B.HTML <pre><code class="language-html"> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML> <HEAD> <TITLE> New Document </TITLE> <META NAME="Generator" CONTENT="EditPlus"> <META NAME="Author" CONTENT=""> <META NAME="Keywords" CONTENT=""> <META NAME="Description" CONTENT=""> </HEAD> <BODY> <b> BBBBBBBBBBB</b> </BODY> </HTML> </code></pre></span></div></div> </div></div> <div class="comment-child flat-child" data-v-395b6e48></div></div><div id="395310330" class="comment-item" data-v-395b6e48><div 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href="https://download.csdn.net/download/weixin_38714370/13194085" data-report-click="{"mod":"popu_645","index":"1","dest":"https://download.csdn.net/download/weixin_38714370/13194085","strategy":"2~default~OPENSEARCH~Paid","extra":"{\"utm_medium\":\"distribute.pc_relevant_bbs_down_v2.none-task-download-2~default~OPENSEARCH~Paid-1-13194085-bbs-390549018.264^v3^pc_relevant_bbs_down_cate\",\"dist_request_id\":\"1715625196530_67021\"}","spm":"1035.2023.3001.6557"}" data-report-query="spm=1035.2023.3001.6557&utm_medium=distribute.pc_relevant_bbs_down_v2.none-task-download-2~default~OPENSEARCH~Paid-1-13194085-bbs-390549018.264^v3^pc_relevant_bbs_down_cate&depth_1-utm_source=distribute.pc_relevant_bbs_down_v2.none-task-download-2~default~OPENSEARCH~Paid-1-13194085-bbs-390549018.264^v3^pc_relevant_bbs_down_cate" class="title" data-v-ca2d15ac>解析如何利用<em>iframe</em><em>标签</em>以及<em>js</em>制作时钟</a></div> <a target="_blank" href="https://download.csdn.net/download/weixin_38714370/13194085" data-report-click="{"mod":"popu_645","index":"1","dest":"https://download.csdn.net/download/weixin_38714370/13194085","strategy":"2~default~OPENSEARCH~Paid","extra":"{\"utm_medium\":\"distribute.pc_relevant_bbs_down_v2.none-task-download-2~default~OPENSEARCH~Paid-1-13194085-bbs-390549018.264^v3^pc_relevant_bbs_down_cate\",\"dist_request_id\":\"1715625196530_67021\"}","spm":"1035.2023.3001.6557"}" data-report-query="spm=1035.2023.3001.6557&utm_medium=distribute.pc_relevant_bbs_down_v2.none-task-download-2~default~OPENSEARCH~Paid-1-13194085-bbs-390549018.264^v3^pc_relevant_bbs_down_cate&depth_1-utm_source=distribute.pc_relevant_bbs_down_v2.none-task-download-2~default~OPENSEARCH~Paid-1-13194085-bbs-390549018.264^v3^pc_relevant_bbs_down_cate" class="desc" data-v-ca2d15ac>如何制作一个时钟呢？效果如下图所示：这里的时钟会不停的走，但是下面的页面是不会变得，这样就实现了我们想要的效果了。下面我将分为以下几个方面来讲： javascript中的Date引用类型几种效果不佳的实例 <<em>iframe</em>><em>标签</em> 最终效果不错的实例如果大家想直接看最终不错的效果实例，可以看文章结尾处<em>代码</em>。第一部分：Date引用类型 1.日期对象可以直接使用new操作符和Date构造函数构造。<em>代码</em>如下： var date=new Date(); 2. 通过构造函数直接<em>得到</em>的date对象的时间是当前的时间。由于Date类型使用自UTC（Coordinated Univers</a></div><div data-report-view="{"mod":"popu_645","index":"2","dest":"https://download.csdn.net/download/weixin_38691703/13067228","strategy":"2~default~OPENSEARCH~Rate","extra":"{\"utm_medium\":\"distribute.pc_relevant_bbs_down_v2.none-task-download-2~default~OPENSEARCH~Rate-2-13067228-bbs-390549018.264^v3^pc_relevant_bbs_down_cate\",\"dist_request_id\":\"1715625196530_67021\"}","spm":"1035.2023.3001.6557"}" class="list-item" data-v-ca2d15ac><div class="recommend-title" data-v-ca2d15ac><img 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data-report-click="{"mod":"popu_645","index":"3","dest":"https://edu.csdn.net/course/detail/10315","strategy":"2~default~OPENSEARCH~Rate","extra":"{\"utm_medium\":\"distribute.pc_relevant_bbs_down_v2.none-task-course-2~default~OPENSEARCH~Rate-3-10315-bbs-390549018.264^v3^pc_relevant_bbs_down_cate\",\"dist_request_id\":\"1715625196530_67021\"}","spm":"1035.2023.3001.6557"}" data-report-query="spm=1035.2023.3001.6557&utm_medium=distribute.pc_relevant_bbs_down_v2.none-task-course-2~default~OPENSEARCH~Rate-3-10315-bbs-390549018.264^v3^pc_relevant_bbs_down_cate&depth_1-utm_source=distribute.pc_relevant_bbs_down_v2.none-task-course-2~default~OPENSEARCH~Rate-3-10315-bbs-390549018.264^v3^pc_relevant_bbs_down_cate" class="desc" data-v-ca2d15ac>本课程从零开始，以通俗易懂的方式讲解<em>HTML</em>技术，手把手教你掌握每一个知识点。课程中使用的所有英文单词都会逐一查询并记录，真正做到零基础入门学习，适合初学者的教程！课程内容包括：1.<em>HTML</em>简介、文档结构2.Sublime的使用3.常用<em>标签</em>4.超链接、表格、表单5.内嵌框架<em>iframe</em>6.<em>HTML</em>5简介、新特性、新增内容教学全程采用笔记+<em>代码</em>案例的形式讲解，通俗易懂！！！</a></div><div 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data-report-click="{"mod":"popu_645","index":"5","dest":"https://blog.csdn.net/diaojinxun8373/article/details/101491545","strategy":"2~default~OPENSEARCH~Rate","extra":"{\"utm_medium\":\"distribute.pc_relevant_bbs_down_v2.none-task-blog-2~default~OPENSEARCH~Rate-5-101491545-bbs-390549018.264^v3^pc_relevant_bbs_down_cate\",\"dist_request_id\":\"1715625196530_67021\"}","spm":"1035.2023.3001.6557"}" data-report-query="spm=1035.2023.3001.6557&utm_medium=distribute.pc_relevant_bbs_down_v2.none-task-blog-2~default~OPENSEARCH~Rate-5-101491545-bbs-390549018.264^v3^pc_relevant_bbs_down_cate&depth_1-utm_source=distribute.pc_relevant_bbs_down_v2.none-task-blog-2~default~OPENSEARCH~Rate-5-101491545-bbs-390549018.264^v3^pc_relevant_bbs_down_cate" class="desc" data-v-ca2d15ac><em>iframe</em>>元素会创建包含另外一个文档的内联框架（即行内框架）；一、align 属性（不赞成） align属性规定<em>iframe</em>相对于周围元素的水平和垂直对齐方式，因为<em>iframe</em>元素是行内元素，即不会在页面上插入新行，这意味着文本和其他元素可以围绕在其周围，所以align属性可以规定<em>iframe</em>相对于周围元素的对齐方式；二、frameborder属性 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