From 8c2c610f0533b7b02d35acb103e8338888b2bca0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stefan=20Feje=C5=A1?= <ns.fejes.stefan@gmail.com>
Date: Tue, 17 Jul 2018 10:45:19 +0200
Subject: [PATCH] add glossary/DOM

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 glossary/DOM.md | 3 +++
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 create mode 100644 glossary/DOM.md

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+### DOM
+
+The DOM (Document Object Model) is a cross-platform API that treats HTML and XML documents as a tree structure consisting of nodes. These nodes (such as elements and text nodes) are objects that can be programmatically manipulated and any visible changes made to them are reflected live in the document. In a browser, this API is available to JavaScript where DOM nodes can be manipulated to change their styles, contents, placement in the document, or interacted with through event listeners.