JavaServer Faces

Syntax

A JSF EL expression starts with the #{ delimiter (a hash mark plus a left curly brace) and ends with } (a right curly brace):

#{anExpression}

When used in an attribute value for a standard JSF custom action, any number of EL expressions and static text parts can be combined. Such an expression is read-only, with the evaluation result of each expression converted to a String and then concatenated with the text parts:

<h:outputText value="The result of 1 + 2 + 3 is #{1 + 2 + 3}" />

The language is case-sensitive. All keywords are in lowercase, and identifiers must be written with correct capitalization.