Plug-ins are computer programs that extend the standard functionality of the browser.
Plug-ins were designed to be used for many different purposes:
- To run Java applets
- To run Microsoft ActiveX controls
- To display Flash movies
- To display maps
- To scan for viruses
- To verify a bank id
Most browsers no longer support Java Applets and Plug-ins.
ActiveX controls are no longer supported in any browsers.
The support for Shockwave Flash has also been turned off in modern browsers.
The <object> Element
<object> element is supported by all browsers.
<object> element defines an embedded object within an HTML document.
It was designed to embed plug-ins (like Java applets, PDF readers, and Flash Players) in web pages, but can also be used to include HTML in HTML:
<object width="100%" height="500px" data="snippet.html"></object>
Or images if you like:
The <embed> Element
<embed> element is supported in all major browsers.
<embed> element also defines an embedded object within an HTML document.
Web browsers have supported the <embed> element for a long time. However, it has not been a part of the HTML specification before HTML5.
Note that the <embed> element does not have a closing tag. It can not contain alternative text.
<embed> element can also be used to include HTML in HTML:
<embed width="100%" height="500px" src="snippet.html">