leoossa

// This snippet adds 'Add to Shelf' button while viewing legimi.pl catalogue
// How to add and run snippet:
// https://developers.google.com/web/tools/chrome-devtools/javascript/snippets#runcommandmenu
let books = document.querySelectorAll('.book-box');
books.forEach(book => {
    let link = book.querySelector("a.book-title");
    let url = link.href;
    let bookId = url.slice(url.indexOf(',') + 2, url.lastIndexOf('.'));
    let btn = document.createElement('button');
    btn.setAttribute("onclick", "addToShelf(this)");