R: Get element attributes

html_attr {rvest}

R Documentation

Get element attributes

Description

html_attr() gets a single attribute; html_attr() gets all attributes.

Usage

html_attr(x, name, default = NA_character_)

html_attrs(x)

Arguments

`x`	A document (from `read_html()`), node set (from `html_elements()`), node (from `html_element()`), or session (from `session()`).
`name`	Name of attribute to retrieve.
`default`	A string used as a default value when the attribute does not exist in every element.

Value

A character vector (for html_attr()) or list (html_attrs()) the same length as x.

Examples

url <- "https://en.wikipedia.org/w/index.php?title=The_Lego_Movie&oldid=998422565"
html <- read_html(url)

cast <- html_elements(html, "tr:nth-child(8) .plainlist a")
cast %>% html_text2()
cast %>% html_attrs()
cast %>% html_attr("href")

# If needed, use url_absolute() to convert to complete urls
url_absolute(html_attr(cast, "href"), url)

[Package rvest version 1.0.0 Index]