HTML isindex Tag

HTML <isindex> tag used to create a single line search prompt for querying the contents of the document. Functionality of <isindex> tag duplicate by the <form> and <input>.
HTML <isindex> tag remove in HTML5 specification.

Example

<!DOCTYPE html>
<html>
<head>
  <title>HTML isindex tag</title>
</head>
<body>
  <isindex prompt="Search" />
</body>
</html>

HTML <isindex> tag support following specific attributes.

Attributes	Value	Description
prompt	text	Specify a label for the textarea.
action	URL	Specify URL where send the query.

HTML <isindex> tag support following global attributes.

Attributes	Value	Description
id	unique_name	Declared unique id for an element.
class	class_name	Declared one or more classnames for an element.
style	styles	CSS inline styles specify an element.
title	title	Specify extra details of element contain, this will display as a "tooltip" for an elements.