Learn HTML #33

HTML Iframes

An HTML iframe is used to display a web page within a web page.


HTML Iframe Syntax

The HTML <iframe> tag specifies an inline frame.

An inline frame is used to embed another document within the current HTML document.

Syntax

<iframe src="url" title="description"></iframe>

Tip: It is a good practice to always include a title attribute for the <iframe>. This is used by screen readers to read out what the content of the iframe is.


Iframe – Set Height and Width

Use the height and width attributes to specify the size of the iframe.

The height and width are specified in pixels by default:

Example

<iframe src="demo_iframe.htm" height="200" width="300" title="Iframe Example"></iframe>

Or you can add the style attribute and use the CSS height and width properties:

Example

<iframe src="demo_iframe.htm" style="height:200px;width:300px;" title="Iframe Example"></iframe>

Iframe – Remove the Border

By default, an iframe has a border around it.

To remove the border, add the style attribute and use the CSS border property:

Example

<iframe src="demo_iframe.htm" style="border:none;" title="Iframe Example"></iframe>

With CSS, you can also change the size, style and color of the iframe’s border:

Example

<iframe src="demo_iframe.htm" style="border:2px solid red;" title="Iframe Example"></iframe>

Iframe – Target for a Link

An iframe can be used as the target frame for a link.

The target attribute of the link must refer to the name attribute of the iframe:

Example

<iframe src="demo_iframe.htm" name="iframe_a" title="Iframe Example"></iframe>

<p><a href="https://www.apostube.com" target="iframe_a">apostube.com</a></p>

Chapter Summary

  • The HTML <iframe> tag specifies an inline frame
  • The src attribute defines the URL of the page to embed
  • Always include a title attribute (for screen readers)
  • The height and width attributes specifies the size of the iframe
  • Use border:none; to remove the border around the iframe

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