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JavaScript Tutorial

JavaScript sup() Method: String Object

Description

The sup() method is used to display a string as a superscript, as if it were in a <sup> tag.

Version

Implemented in JavaScript 1.0

Syntax

sup()

Parameter

None

Example:

In the following web document sup() method displays a given string as a subscript.

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta http-equiv="content-type" content="text/html; charset=iso-8859-1" />
<title>JavaScript String object - sup() method example</title>
</head>
<body>
<h1 style="color: red">JavaScript String object : sup() method</h1>
<hr />
<script type="text/javascript">
//This is done to make the following JavaScript code compatible to XHTML. <![CDATA[
var superText="2"
document.write("(a+b)" + superText.sup()+" = "+"a"+superText.sup()+" + 2ab + "+"b"+superText.sup())
//]]>
</script>
</body>
</html>

View the example in the browser

Pictorial presentation: Output and Page source

javascript string sup method

Supported Browser

Internet Explorer 7 Firefox 3.6 Google Chrome 7 Safari 5.0.1 Opera 10
Yes Yes Yes Yes Yes

See also:

JavaScript Core objects, methods, properties.



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