From 7bad91b8e4230c3250bd8ccdf40ae86775a54e93 Mon Sep 17 00:00:00 2001
From: subarashii-huch09 <74471007+subarashii-huch09@users.noreply.github.com>
Date: Sun, 10 Oct 2021 07:04:17 +1300
Subject: [PATCH] added a JS DOM book from DigitalOcean (#6099)

* Update free-programming-books-langs.md

* rearranged it in alphabetical order

* Update free-programming-books-langs.md
---
 books/free-programming-books-langs.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/books/free-programming-books-langs.md b/books/free-programming-books-langs.md
index e2689a536..4b9848459 100644
--- a/books/free-programming-books-langs.md
+++ b/books/free-programming-books-langs.md
@@ -1109,6 +1109,7 @@ That section got so big, we decided to split it into its own file, the [BY SUBJE
 * [Thinking in JavaScript](https://www.amazon.com/Thinking-JavaScript-Aravind-Shenoy-ebook/dp/B00JUI6LUQ) - Aravind Shenoy (Kindle)
 * [Understanding ECMAScript 6](https://leanpub.com/understandinges6/read) - Nicholas C. Zakas (HTML)
 * [Understanding JavaScript OOP](http://robotlolita.me/2011/10/09/understanding-javascript-oop.html) - Quil (HTML)
+* [Understanding the DOM — Document Object Model](https://www.digitalocean.com/community/books/understanding-the-dom-document-object-model-ebook) - Tania Rascia (PDF, EPUB)
 * [You Don't Know JS](https://github.com/getify/You-Dont-Know-JS) - Kyle Simpson (HTML, PDF, EPUB, MOBI)