Yusra Fernando is a lecturer at Teknokrat University with a Bachelor's degree in Computer Engineering and a Master's degree in Computer Science from IPB University. The document introduces JavaScript and provides examples of using JavaScript to change HTML content, create pop-up alerts, validate numeric input, add a scroll to top button, and toggle like/dislike buttons. Code examples are provided to create basic JavaScript functions and links to additional JavaScript tutorials are referenced.

2. PROFIL
Nama :Yusra Fernando, S.Kom., M.Kom.
Pendidikan : S1,Teknik Informatika/(Ti) (Teknokrat 2004)
S2, Ilmu Komputer/(Cs) (IPB 2012)
Email : yusra.fernando@teknokrat.ac.id
yusra.fernando@teknokrat.ac.id
Yusra Fernando, M.Kom
CONTACT ME
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3. JAVASCRIPT

4. JavaScript - Intro
JavaScript is the world's most popular programming language.
JavaScript is the programming language of theWeb.
JavaScript is easy to learn.
This tutorial will teach you JavaScript from basic to advanced.

5. JavaScript Can Change HTML Content
One of many JavaScript HTML methods is getElementById().
This example uses the method to "find" an HTML element (with id="demo")
and changes the element content (innerHTML) to "Hello JavaScript":

6. The <script> Tag
Save file by typing: demo1.html

7. Window alert() Method
Save file by typing: window-alert.html

8. Javascript - alert

9. Save file by typing: js-alert.html
Javascript - alert

10. JavaScript CanValidate Numeric Input

11. JavaScript CanValidate Numeric Input
Save file by typing: validateInput.html

12. How To - Scroll Back To Top Button

13. Save file by typing: scrollTop.html
How To - Scroll Back To Top Button

14. How To - Toggle Like and Dislike

15. Refference
https://www.w3schools.com
Modul Pemrograman Web
Universitas Teknokrat Indonesia