console.log("I Love JS")

What is javascript ?

It is scripting / programming language for HTML and web

What is javascript purpose?

• DOM Manipulation
• CSS Manipulation
• User Interaction
• Client side action
• well, of course to script our web

while(true){
  alert("Bad Javascript ! Bad Javascript !");
}

Javascript Type

1. Internal
2. External
3. Inline

DOM Manipulation

document.getElementById("h1-title").innerHTML = "Hello Me !";

document.write("<p>My First Paragraph</p>");

Display data

• Using DOM Manipulation
• Using alert
• Using log

console.log("I love javascript");

Semicolon is your bestfriend, not your enemy !

;

Syntax

• Variable & Data type
• Mathematical operator
• Comments
• Block (Function)

To Do

Please create a simple calculator. It should contains :

1. Addition
2. Substraction
3. Multiplication
4. Division