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What does iframe mean?

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Aug 24, 2023 pm 01:46 PM

iframe

iframe is a tag in HTML, the full name is Inline Frame, which is an inline frame. It can embed other pages or documents in a web page, and display the content of other pages in the current page in the form of a frame. It Its flexibility and rich functions make it widely used in web development, but it also needs to pay attention to issues such as security, SEO and performance.

What does iframe mean?

# Operating system for this tutorial: Windows 10 system, Dell G3 computer.

iframe is a tag in HTML, the full name is Inline Frame, that is, inline frame. It can embed other pages or documents in a web page and display the content of other pages in the current page in the form of a frame.

iframe is used by inserting tags into HTML documents and setting corresponding attributes to specify the page address to be embedded. For example: . In this way, the current page will display the embedded page at the specified location. </p> <p>The main function of iframe is to realize the nesting of pages and the division of content. It can display the content of multiple other pages in one page at the same time, making the structure of the web page more flexible and diverse. Common application scenarios include: </p> <p> Embedding in other web pages: The content of other web pages can be embedded into the current page through iframe to realize the function of displaying content across domains. This is very common on websites that need to display information from multiple sources at the same time. </p> <p>Split page content: The content of the page can be divided into multiple parts through iframe, and each part independently displays different page content. This can realize the modularization of the page and facilitate management and maintenance. </p> <p>Pop-up layer: The pop-up layer effect can be achieved through iframe, that is, the content of another page is displayed in a floating form above the current page. This is very useful when you need to implement functions such as pop-ups and dialog boxes. </p> <p>Load external content: External documents, videos, maps and other content can be embedded into the current page through iframe, enriching the functionality and display effect of the page. </p> <p>Although iframes have many useful functions, there are also some problems and precautions: </p> <p>Security issues: Since iframes can load pages under other domains, there is a risk of cross-domain scripting attacks. . In order to ensure the security of web pages, browsers will impose some restrictions on iframes, such as the same origin policy. </p> <p>SEO problem: Search engines are not friendly enough to the content in iframes and may not be able to correctly parse the text and links in them. This can impact your page's search rankings and traffic. </p> <p>Page loading performance: Using iframes can increase page load times, especially when embedding larger pages or resources. Therefore, you need to pay attention to the impact of page performance when using iframes. </p> <p>In short, iframe is a tag that embeds other pages or documents in HTML, which can achieve page nesting and content segmentation. Its flexibility and rich functionality make it widely used in web development, but it also needs to pay attention to issues such as security, SEO and performance. </p><p>The above is the detailed content of What does iframe mean?. 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This issue has now been widely reported by users who have discovered "TokenFactoryIframe" files that Outlook downloads on every visit. Outlook downloads this mysterious file every few seconds or at least every time you access Outlook on Apple platforms. Based on our findings, this appears to be an issue caused by an incorrect server-side update posted to Outlook and has nothing to do with Safari or macOS. Microsoft in a copy</p> </div> <div class="phphistorical_Version2_mids"> <a href="https://www.php.cn/faq/595827.html" title="What technology can replace iframe" class="phphistorical_Version2_mids_img"> <img onerror="this.onerror=''; this.src='/static/imghw/default1.png'" src="/static/imghw/default1.png" class="lazy" data-src="https://img.php.cn/upload/article/202308/24/2023082413541968774.jpg?x-oss-process=image/resize,m_fill,h_207,w_330" alt="What technology can replace iframe" /> </a> <a href="https://www.php.cn/faq/595827.html" title="What technology can replace iframe" class="phphistorical_Version2_mids_title">What technology can replace iframe</a> <span class="Articlelist_txts_time">Aug 24, 2023 pm 01:53 PM</span> <p class="Articlelist_txts_p">Technologies that can replace iframes include Ajax, JavaScript libraries or frameworks, Web component technologies, front-end routing, and server-side rendering. Detailed introduction: 1. Ajax is a technology used to create dynamic web pages. It can realize asynchronous update of the page by exchanging data with the server in the background without refreshing the entire page. Using Ajax can load and display content more flexibly, and there is no need to use iframe to embed other pages; 2. JavaScript library or framework , such as React and so on.</p> </div> <div class="phphistorical_Version2_mids"> <a href="https://www.php.cn/faq/599086.html" title="What are the loading events of iframe?" class="phphistorical_Version2_mids_img"> <img onerror="this.onerror=''; this.src='/static/imghw/default1.png'" src="/static/imghw/default1.png" class="lazy" data-src="https://img.php.cn/upload/article/202308/28/2023082813514630803.jpg?x-oss-process=image/resize,m_fill,h_207,w_330" alt="What are the loading events of iframe?" /> </a> <a href="https://www.php.cn/faq/599086.html" title="What are the loading events of iframe?" class="phphistorical_Version2_mids_title">What are the loading events of iframe?</a> <span class="Articlelist_txts_time">Aug 28, 2023 pm 01:55 PM</span> <p class="Articlelist_txts_p">The loading events of iframe include onload event, onreadystatechange event, onbeforeunload event, onerror event, onabort event, etc. Detailed description: 1. onload event, specifying the JavaScript code to be executed after loading the iframe; 2. onreadystatechange event, specifying the JavaScript code to be executed when the iframe state changes, etc.</p> </div> <div class="phphistorical_Version2_mids"> <a href="https://www.php.cn/faq/596547.html" title="What does iframe mean in Python?" class="phphistorical_Version2_mids_img"> <img onerror="this.onerror=''; this.src='/static/imghw/default1.png'" src="/static/imghw/default1.png" class="lazy" data-src="https://img.php.cn/upload/article/202308/25/2023082515190938735.jpg?x-oss-process=image/resize,m_fill,h_207,w_330" alt="What does iframe mean in Python?" /> </a> <a href="https://www.php.cn/faq/596547.html" title="What does iframe mean in Python?" class="phphistorical_Version2_mids_title">What does iframe mean in Python?</a> <span class="Articlelist_txts_time">Aug 25, 2023 pm 03:24 PM</span> <p class="Articlelist_txts_p">iframe in Python is an HTML tag used to embed another web page or document in a web page. In Python, you can use various libraries and frameworks to process and manipulate iframes, the most commonly used of which is the BeautifulSoup library, which can easily extract the content of an iframe from a web page and manipulate and process it. Knowing how to handle and manipulate iframes is extremely useful for both web development and data scraping.</p> </div> <div class="phphistorical_Version2_mids"> <a href="https://www.php.cn/faq/604434.html" title="What's the danger in iframes" class="phphistorical_Version2_mids_img"> <img onerror="this.onerror=''; this.src='/static/imghw/default1.png'" src="/static/imghw/default1.png" class="lazy" data-src="https://img.php.cn/upload/article/202309/08/2023090815142962875.jpg?x-oss-process=image/resize,m_fill,h_207,w_330" alt="What's the danger in iframes" /> </a> <a href="https://www.php.cn/faq/604434.html" title="What's the danger in iframes" class="phphistorical_Version2_mids_title">What's the danger in iframes</a> <span class="Articlelist_txts_time">Sep 08, 2023 pm 03:14 PM</span> <p class="Articlelist_txts_p">The dangers in iframes mainly include: 1. Security vulnerabilities. Malicious web pages can load other web pages through iframes and carry out some attacks; 2. Same-origin policy breakthrough. By loading web pages under other domain names in iframes, the same-origin policy can be breached. strategy to achieve cross-domain communication, which may be maliciously attacked; 3. Code execution issues, web pages loaded in iframes can execute JS code, which may cause some security issues; 4. SEO issues, search engines may not be able to correctly parse and Index content loaded via iframe and more.</p> </div> </div> </div> </div> </div> </main> <footer> <div class="footer"> <div class="footertop"> <img src="/static/imghw/logo.png" alt=""> <p>Public welfare online PHP training，Help PHP learners grow quickly！</p> </div> <div class="footermid"> <a href="https://www.php.cn/about/us.html">About us</a> <a href="https://www.php.cn/about/disclaimer.html">Disclaimer</a> <a href="https://www.php.cn/update/article_0_1.html">Sitemap</a> </div> <div class="footerbottom"> <p> © php.cn All rights reserved </p> </div> </div> </footer> <input type="hidden" id="verifycode" value="/captcha.html"> <script>layui.use(['element', 'carousel'], function () {var element = layui.element;$ = layui.jquery;var carousel = layui.carousel;carousel.render({elem: '#test1', width: '100%', height: '330px', arrow: 'always'});$.getScript('/static/js/jquery.lazyload.min.js', function () {$("img").lazyload({placeholder: "/static/images/load.jpg", effect: "fadeIn", threshold: 200, skip_invisible: false});});});</script> <script src="/static/js/common_new.js"></script> <script type="text/javascript" src="/static/js/jquery.cookie.js?1745302107"></script> <script src="https://vdse.bdstatic.com//search-video.v1.min.js"></script> <link rel='stylesheet' id='_main-css' href='/static/css/viewer.min.css?2' type='text/css' media='all' /> <script type='text/javascript' src='/static/js/viewer.min.js?1'></script> <script type='text/javascript' src='/static/js/jquery-viewer.min.js'></script> <script type="text/javascript" src="/static/js/global.min.js?5.5.53"></script> <script> var _paq = window._paq = window._paq || []; /* tracker methods like "setCustomDimension" should be called before "trackPageView" */ _paq.push(['trackPageView']); _paq.push(['enableLinkTracking']); (function () { var u = "https://tongji.php.cn/"; _paq.push(['setTrackerUrl', u + 'matomo.php']); _paq.push(['setSiteId', '9']); var d = document, g = d.createElement('script'), s = d.getElementsByTagName('script')[0]; g.async = true; g.src = u + 'matomo.js'; s.parentNode.insertBefore(g, s); })(); </script> <script> // top layui.use(function () { var util = layui.util; util.fixbar({ on: { mouseenter: function (type) { layer.tips(type, this, { tips: 4, fixed: true, }); }, mouseleave: function (type) { layer.closeAll("tips"); }, }, }); }); document.addEventListener("DOMContentLoaded", (event) => { // 定义一个函数来处理滚动链接的点击事件 function setupScrollLink(scrollLinkId, targetElementId) { const scrollLink = document.getElementById(scrollLinkId); const targetElement = document.getElementById(targetElementId); if (scrollLink && targetElement) { scrollLink.addEventListener("click", (e) => { e.preventDefault(); // 阻止默认链接行为 targetElement.scrollIntoView({ behavior: "smooth" }); // 平滑滚动到目标元素 }); } else { console.warn( `Either scroll link with ID '${scrollLinkId}' or target element with ID '${targetElementId}' not found.` ); } } // 使用该函数设置多个滚动链接 setupScrollLink("Article_Details_main1L2s_1", "article_main_title1"); setupScrollLink("Article_Details_main1L2s_2", "article_main_title2"); setupScrollLink("Article_Details_main1L2s_3", "article_main_title3"); setupScrollLink("Article_Details_main1L2s_4", "article_main_title4"); setupScrollLink("Article_Details_main1L2s_5", "article_main_title5"); setupScrollLink("Article_Details_main1L2s_6", "article_main_title6"); // 可以继续添加更多的滚动链接设置 }); window.addEventListener("scroll", function () { var fixedElement = document.getElementById("Article_Details_main1Lmain"); var scrollTop = window.scrollY || document.documentElement.scrollTop; // 兼容不同浏览器 var clientHeight = window.innerHeight || document.documentElement.clientHeight; // 视口高度 var scrollHeight = document.documentElement.scrollHeight; // 页面总高度 // 计算距离底部的距离 var distanceToBottom = scrollHeight - scrollTop - clientHeight; // 当距离底部小于或等于300px时，取消固定定位 if (distanceToBottom <= 980) { fixedElement.classList.remove("Article_Details_main1Lmain"); fixedElement.classList.add("Article_Details_main1Lmain_relative"); } else { // 否则，保持固定定位 fixedElement.classList.remove("Article_Details_main1Lmain_relative"); fixedElement.classList.add("Article_Details_main1Lmain"); } }); </script> <script> document.addEventListener('DOMContentLoaded', function() { const mainNav = document.querySelector('.Article_Details_main1Lmain'); const header = document.querySelector('header'); if (mainNav) { window.addEventListener('scroll', function() { const scrollPosition = window.scrollY; if (scrollPosition > 84) { mainNav.classList.add('fixed'); } else { mainNav.classList.remove('fixed'); } }); } }); </script> </body> </html>