The code is very simple

hello,world

　<br> <iframe src="http://www.baidu.com" width="500px" height="400px"/><br> </body><br> </html></strong> <br> The results are as follows<br> <br> <br> Why didn’t the Baidu page appear? I am a novice, please don’t complain, thank you for the guidance from all the experts </p> <p> </p> <br> <h2>Reply to the discussion (solution) </h2> <p class="sougouAnswer"> <div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="sycode" name="code"><html><body><h1>hello,world</h1><iframe src="http://g.cn" width="400px" height="400px"></iframe><iframe src="http://www.baidu.com" width="500px" height="400px"></iframe></body></html></pre><div class="contentsignin">Copy after login</div></div> </p> <p class="sougouAnswer"> Thank you Okay, thanks for taking care of the newbies</p> </div> </div> <div style="height: 25px;"> <div class="wzconBq" style="display: inline-flex;"> <span>Related labels：</span> <div class="wzcbqd"> <a onclick="hits_log(2,'www',this);" href-data="//m.sbmmt.com/search?word=各位大神，小弟刚刚才开始自学html，按教学方法嵌入两个网页，为什么只显示出一个啊，我都对着代码敲了" target="_blank">各位大神，小弟刚刚才开始自学html，按教学方法嵌入两个网页，为什么只显示出一个啊，我都对着代码敲了</a> </div> </div> <div style="display: inline-flex;float: right; color:#333333;">source：php.cn</div> </div> <div class="wzconOtherwz"> <a href="//m.sbmmt.com/faq/275942.html" title="1-2The relationship between Html and CSS_html/css_WEB-ITnose"> <span>Previous article：1-2The relationship between Html and CSS_html/css_WEB-ITnose</span> </a> <a href="//m.sbmmt.com/faq/275944.html" title="CSS box model and object-oriented_html/css_WEB-ITnose"> <span>Next article：CSS box model and object-oriented_html/css_WEB-ITnose</span> </a> </div> <div class="wzconShengming"> <div class="bzsmdiv">Statement of this Website</div> <div>The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. 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Dear masters, I just started to learn HTML by myself. I embed two web pages according to the teaching method. Why is only one displayed? I typed the code_html/css_WEB-ITnose.

hello,world