JavaScript

 Java Script

• Java script is a programming language
• It's makes our Web pages interactive
• Interpreted Language
• Java script mostly using in client side
• Object based language
• scripting language 
• Easy to learn

                                Javascript is not a java completely different and they are

                                                             2 languages 

Why Study JavaScript?

JavaScript is one of the 3 languages all web developers must learn:

   1. HTML to define the content of web pages

   2. CSS to specify the layout of web pages

   3. JavaScript to program the behavior of web pages

Java script fundamentals

• Variables
• Arrays
• Loops
• Conditions
• Comparison&operators
• Objects
• functions
• Program flow
• Data Types
• Prototypes
• Events

Usages of Javascript

• Responsive
• Interactive
• Create Cookies
• Detect user
• Form Validation
• Create animations
• Build apps
• Slideshow

You can change html attribute value ans css style by javascript

 import javascript

In HTML, JavaScript code is inserted between <script> and </script> tags.

JavaScript Display Possibilities

JavaScript can "display" data in different ways:

• Writing into an HTML element, using innerHTML.
• Writing into the HTML output using document.write().
• Writing into an alert box, using window.alert().
• Writing into the browser console, using console.log().