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fn:length()
- 컬렉션의 항목 수 또는 문자열의 문자 수를 반환합니다.
Syntax
int length(java.lang.Object)
Example
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %>
<html>
<head>
<title>JSTL functions length</title>
</head>
<body>
<c:set var="str1" value="Hello."/>
<c:set var="str2" value="Hello World."/>
<p>Length of String1 : ${fn:length(str1)}</p>
<p>Length of String2 : ${fn:length(str2)}</p>
</body>
</html>
Result
Length of String1 : 6
Length of String2 : 12
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