From cdf50b35ca811ab14129bd38864e97bc902b73f7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stefan=20Feje=C5=A1?= <ns.fejes.stefan@gmail.com>
Date: Wed, 18 Jul 2018 11:25:23 +0200
Subject: [PATCH] add glossary/Event-loop

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 glossary/Event-loop.md | 4 ++++
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 create mode 100644 glossary/Event-loop.md

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+### Event loop
+
+The event loop handles all asynchronous callbacks. Callbacks are queued in a loop, while other code runs, and will run one by one when the response for each one has been received.
+The event loop allows JavaScript to perform non-blocking I/O operations, despite the fact that JavaScript is single-threaded.