<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %>
JSTL Functions • Length
fn:length
| Input String |
Result |
| ${s1} |
${fn:length(s1)} |
| ${customers} |
${fn:length(customers)} |
| null |
${fn:length(undefined)} |
| empty string |
${fn:length("")} |