HTML Iframe

An HTML <iframe> (inline frame) is used to embed another document within the current HTML document. It allows you to include external content, such as another webpage, within your webpage.

Basic Syntax

Here's the basic syntax of an <iframe> element:

<iframe src="URL" width="width" height="height" frameborder="border" allowfullscreen></iframe>

src: Specifies the URL of the page to display.
width: Sets the width of the iframe.
height: Sets the height of the iframe.
frameborder: Specifies whether or not to display a border around the iframe (deprecated in HTML5, use CSS instead).
allowfullscreen: Allows the iframe to be displayed in full-screen mode.

Examples

1. Simple Iframe

This example embeds the page from "https://www.example.com" with a width of 600 pixels and a height of 400 pixels:

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Simple Iframe</title>
</head>
<body>
    <h1>Embedding Example</h1>
    <iframe src="https://www.example.com" width="600" height="400"></iframe>
</body>
</html>

2. Iframe with Border and No Scrollbars

This example uses CSS to remove the border and scrollbars from the iframe:

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Iframe with CSS</title>
    <style>
        iframe {
            border: none;
            overflow: hidden;
        }
    </style>
</head>
<body>
    <h1>Iframe Without Border</h1>
    <iframe src="https://www.example.com" width="600" height="400"></iframe>
</body>
</html>

3. Iframe with Fullscreen Capability

This example adds the allowfullscreen attribute to enable fullscreen mode:

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Fullscreen Iframe</title>
</head>
<body>
    <h1>Iframe with Fullscreen</h1>
    <iframe src="https://www.example.com" width="600" height="400" allowfullscreen></iframe>
</body>
</html>

Key Considerations

Security: Be cautious when embedding content from external sources, as it could potentially expose your site to security risks. Use attributes like sandbox to limit the capabilities of the embedded content.
Responsiveness: If you're working on a responsive design, make sure the iframe adjusts properly across different screen sizes. You can use CSS to make the iframe responsive.
Cross-Origin Restrictions: Some websites may have restrictions on being embedded in iframes due to security policies (e.g., X-Frame-Options).

Feel free to ask if you have any more questions about iframes or need further examples!

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