Functions

The following is an annotated list of core XPath functions and XSLT-specific additions to XPath, including a description, syntax, a list of arguments, result-type, source in the appropriate W3C Recommendation, and degree of present Gecko support. For further information on using XPath/XSLT functions, please see the For Further Reading page.

• boolean()
• ceiling()
• choose()
• concat()
• contains()
• count()
• current() XSLT-specific
• document() XSLT-specific
• element-available()
• false()
• floor()
• format-number() XSLT-specific
• function-available()
• generate-id() XSLT-specific
• id() (partially supported)
• key() XSLT-specific
• lang()
• last()
• local-name()
• name()
• namespace-uri()
• normalize-space()
• not()
• number()
• position()
• round()
• starts-with()
• string()
• string-length()
• substring()
• substring-after()
• substring-before()
• sum()
• system-property() XSLT-specific
• translate()
• true()
• unparsed-entity-url() XSLT-specific (not supported)