JSTL fn:escapeXml() Function

The fn:escapeXml() function escapes the characters that would be interpreted as XML markup. It is used for escaping the character in XML markup language.

The syntax used for including the fn:escapeXml() function is:

Let's see the simple example to understand the functionality of fn:escapeXml() function:

<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/functions" prefix="fn" %>
<html>
<head>
<title>Using JSTL Functions</title>
</head>
<body>

<c:set var="string1" value="It is first String."/>
<c:set var="string2" value="It is <xyz>second String.</xyz>"/>

<p>With escapeXml() Function:</p>
<p>string-1 : ${fn:escapeXml(string1)}</p>
<p>string-2 : ${fn:escapeXml(string2)}</p>

<p>Without escapeXml() Function:</p>
<p>string-1 : ${string1}</p>
<p>string-2 : ${string2}</p>

</body>
</html>

Output:

With escapeXml() Function:
string-1 : It is first String.
string-2 : It is <xyz>second String.</xyz>
Without escapeXml() Function:
string-1 : It is first String.
string-2 : It is second String.