Functions - XPath

XSLT/XPath Reference: XSLT elements, EXSLT functions, XPath functions, XPath axes

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)