locate
Contextual
Contextual functions can only be used when the context is known
Contextual functions can only be used when the context is known
Determines the location of an element in the document.
Takes a selector that must match exactly one element and returns that
element's location
. This location can, in particular, be used to
retrieve the physical page
number and
position
(page, x, y) for that element.
Examples
Locating a specific element:
#context [
Introduction is at: \
#locate(<intro>).position()
]
= Introduction <intro>

引数
Parameters are the inputs to a function. They are specified in parentheses after the function name.
Parameters are the inputs to a function. They are specified in parentheses after the function name.
selector
A selector that should match exactly one element. This element will be located.
Especially useful in combination with
here
to locate the current context,- a
location
retrieved from some queried element via thelocation()
method on content.