is a tag in the HTML5 standard, used to embed other web pages in web pages. Common application scenarios include: 1. Embedding pages from other websites in the current page through <iframe>; 2 , use <iframe> to load different web page content in different areas. </p></blockquote> <p><img src="https://img.php.cn/upload/article/202310/16/2023101611402278201.jpg" alt="What is tag?" ></p> <p># Operating system for this tutorial: Windows 10 system, Dell G3 computer. </p> <p><strong><iframe> is a tag in the HTML5 standard that is used to embed other web pages within web pages. Common application scenarios include: </strong></p> <ol style='margin-bottom: 16px; padding-left: 2em; color: rgb(0, 0, 0); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji"; text-wrap: wrap;'> <li><p> Embedding external web pages: You can embed pages from other websites within the current page through <iframe>, such as embedding maps, videos, advertisements, etc. </p></li> <li><p>Separate web page content: You can divide a page into multiple areas, and use <iframe> to load different web page content in different areas. The </p></li> </ol> <p><iframe> element has the following attributes: </p> <ul style='margin-bottom: 16px; padding-left: 2em; color: rgb(0, 0, 0); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji"; text-wrap: wrap;'> <li>src: Specifies the URL or document path to be displayed in <iframe>. </li> <li>Height and width: Specify the height and width of <iframe>, the units can be pixels, percentages or other CSS units. </li> <li>frameborder: Specifies whether to display the border, which can be set to 0 or 1. </li> <li>scrolling: Specify the display mode of the scroll bar, which can be set to auto, yes, or no. </li> <li>allowfullscreen: Specify whether to allow full-screen playback in <iframe>. </li> </ul> <p>It should be noted that when using <iframe> you should ensure that the embedded web page is safe and trustworthy, otherwise there may be risks such as XSS attacks. In addition, search engines may also treat embedded web pages as part of the entire page, so confusion of primary and secondary relationships should be avoided. </p>
