Editing Jakarta Server Pages (section)

==== Jakarta Standard Tag Library ====
{{main article|Jakarta Standard Tag Library}}
Jakarta Standard Tag Library (JSTL) supports common tasks that must be performed in JSPs.{{sfn | Murach | Urban | 2014 | loc=§2 Essential servlet and JSP skills -An Introduction to JSTL | pp=270-273}} Examples includes iteration and conditionals (the equivalent of "for" and "if" statements in Java).<ref name="docs.oracle.com"/>

Out of all the libraries in JSTL, the JSTL core library is most commonly used. A taglib directive must be used to specify the URI of the JSTL core library using a prefix. Although there are many different choices for the prefix, the "c" prefix is commonly used for this library.{{sfn | Murach | Urban | 2014 | loc=§2 Essential servlet and JSP skills - How to enable the core JSTL library | pp=178}}