Function select_attr 

pub fn select_attr(
    doc: &Document,
    selector: &str,
    attr: &str,
) -> QueryResult<Vec<Option<String>>>

Extracts attribute values from all elements matching a CSS selector.

Returns Some(value) if the attribute exists, None if it doesn’t. Empty vector if no elements match.

Errors

Returns [QueryError::InvalidSelector] if the selector syntax is invalid.

Examples

use scrape_core::{Soup, query::select_attr};

let soup = Soup::parse("<a href='/a'>A</a><a href='/b'>B</a>");
let hrefs = select_attr(soup.document(), "a", "href").unwrap();
assert_eq!(hrefs, vec![Some("/a".to_string()), Some("/b".to_string())]);