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JavaScript & HTML

What Is The Javascript ?

JavaScript is the world's most popular programming language.

How browser see web page

The browser receives an HTML page
It creates a model of the page and stores it in memory.
It shows the page on screen using a rendering engine.

How Do I Write A Script For A Web Page ?

We can do it useing HTML , CSS & JAVASCRIPT Together

HTML --- content layer
CSS --- Presentation layer
JAVASCRIPT ---- Behavior layer

Main statment in Javascript

document.write() method ;
Var.quantity ;