JSTL Core <c:if> Tag
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The <c:if> tag evaluates an expression and displays its body content only if the expression evaluates to true.
Attribute:
The <c:if> tag has following attributes:
| Attribute | Description | Required | Default |
|---|---|---|---|
| test | Condition to evaluate | Yes | None |
| var | Name of the variable to store the condition's result | No | None |
| scope | Scope of the variable to store the condition's result | No | page |
Example:
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<html>
<head>
<title><c:if> Tag Example</title>
</head>
<body>
<c:set var="salary" scope="session" value="${2000*2}"/>
<c:if test="${salary > 2000}">
<p>My salary is: <c:out value="${salary}"/><p>
</c:if>
</body>
</html>
This would produce following result:
My salary is: 4000