HTML Object Embedding: `` and `` Elements

Learn how to embed various content types in HTML using the `` and `` elements. This tutorial covers the legacy of browser plugins, explains the modern usage of these tags for embedding HTML files and images, and provides code examples with clear explanations.



HTML Plug-ins and Embedding Objects

Historically, browser plug-ins extended browser capabilities. While many plug-ins are now outdated, the methods for embedding content remain relevant.

The Decline of Browser Plug-ins

Browser plug-ins were once crucial for various functionalities such as running Java applets, displaying Flash content, and more. However, modern browsers have largely phased out support for many older plug-in technologies due to security concerns and the availability of alternative technologies.

Important Note: Java Applets, ActiveX controls, and Shockwave Flash are no longer supported in most modern browsers.

Embedding Objects with the `` Element

The <object> element is a widely supported method to embed various types of content into an HTML document. While originally intended for plug-ins, it can embed other things like HTML or images.

Example: Embedding an HTML File

<object data="example.html" type="text/html" width="300" height="200">
  <p>Alternative content for browsers that don't support the object tag.</p>
</object>

This embeds "example.html". The type attribute specifies the content type; the width and height attributes control the dimensions. Alternative content is displayed if the <object> tag isn't supported.

Example: Embedding an Image

<object data="image.jpg" type="image/jpeg" width="300" height="200">
  <p>Alternative content for browsers that don't support the object tag.</p>
</object>

Embedding Objects with the `` Element

The <embed> element also embeds content, but it's simpler and lacks a closing tag. It doesn't support alternative text. Like <object>, it's supported across major browsers.

Example: Embedding with <embed>

<embed src="example.html" type="text/html" width="300" height="200">

Note: No closing tag is needed for <embed>.

Example: Embedding HTML with <embed>

<embed src="another.html" type="text/html" width="300" height="200">