From a7be7dc310e85a0e09e0fb8507517ec8f4ca26cf Mon Sep 17 00:00:00 2001
From: egoing <egoing@gmail.com>
Date: Sun, 7 Apr 2019 01:04:51 +0900
Subject: [PATCH] =?UTF-8?q?4.1.=20=EA=B0=9D=EC=B2=B4=EB=8A=94=20=EC=96=B8?=
 =?UTF-8?q?=EC=A0=9C=20=EC=93=B0=EB=8A=94=EA=B0=80=3F?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 built-in.js | 3 +++
 1 file changed, 3 insertions(+)
 create mode 100644 built-in.js

diff --git a/built-in.js b/built-in.js
new file mode 100644
index 0000000..ff135c2
--- /dev/null
+++ b/built-in.js
@@ -0,0 +1,3 @@
+console.log("Math.PI", Math.PI);
+console.log("Math.random()", Math.random());
+console.log("Math.floor(3,9)", Math.floor(3.9));
\ No newline at end of file