diff --git a/day-01/helloworld.js b/day-01/helloworld.js
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+console.log('Hello, World!')
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diff --git a/day-01/index.html b/day-01/index.html
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+
+
+
+
+
+ 30DaysOfScript:Inline Script
+
+
+
+
+
+
+
+
+
+
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diff --git a/day-01/introduction.js b/day-01/introduction.js
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+console.log('Welcome to 30DaysOfJavaScript')
+
+// let firstDay = 1
+// firstDay = 2
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diff --git a/day-01/level1.js b/day-01/level1.js
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diff --git a/mydocs/simpleJS.md b/mydocs/simpleJS.md
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+자바스크립트를 적용하는 방법들
+1. Inline script
+2. Internal script
+3. External script
+4. Multiple External scripts
+
+Inline script
+- alert같은 built-in function같이 html에 자연스레 들어가있음
+
+Internal script
+- 이렇게 html에 끼워넣는다
+
+External의 경우
+- JS파일을 따로 만들어서 넣는다
+-
+
+---
+