JSTL fn:trim() Function

by Online Tutorials Library July 22, 2022

JSTL fn:trim() Function

The fn:trim() function removes the blank spaces from both the ends of a string. It mainly used for ignoring the blank spaces from both the ends of string.

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

Let’s see the simple example to understand the functionality of fn:trim() function:

<%@ taglib uri=”http://java.sun.com/jsp/jstl/core” prefix=”c” %> <%@ taglib uri=”http://java.sun.com/jsp/jstl/functions” prefix=”fn” %>   <title>Using JSTL Functions</title>     
<p>String-1 Length is : ${fn:length(str1)}</p>
<p>String-2 Length is : ${fn:length(str2)}</p>
<p>Final value of string is : ${str2}</p>
<p>    </p>

Output:

 String-1 Length is : 42 String-2 Length is : 33 Final value of string is : Welcome to JSP programming 

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