lt_footnote: Add a Footnote

In lt: Lightweight Tables via JSON Specs and JavaScript

Add a Footnote

Description

Attaches a footnote text to a table region. Footnotes are numbered automatically in the order they are added (de-duplicated by text).

Usage

lt_footnote(x, text, where, columns = NULL, rows = NULL, match = NULL)

Arguments

x	An lt() object.
text	Footnote text.
where	One of 'title', 'subtitle', 'column', 'spanner', 'group', or 'body'.
columns	Character vector of column names or a one-sided formula (for 'column' or 'body'). For 'group' with match = "starts_with", a single prefix string.
rows	Integer vector of 1-based row indices (for 'body'; NULL means all rows).
match	For where = "group": one of "exact" (default), "starts_with", or "all".

Value

x with the footnote recorded.

Examples

lt(head(mtcars)) |>
  lt_footnote("Source: 1974 Motor Trend US magazine.", "title")
# raw HTML footnote (wrap in I())
lt(head(mtcars)) |>
  lt_footnote(I("See <a href='#'>docs</a>."), "title")

lt documentation built on July 10, 2026, 1:09 a.m.