_Introduction _ Today March 17 2026
i. Javascript is powerful progrmming lan
guage .
ii. This used to create interactive websites.
iii. It is runs in the browser and help make webpage dynamic.
** Small story of javascript**
i. Created by Brendan Eich ** in **1995
ii. Developer at Netscape
iii. First name :MOCHA --> rename :LIVESCRIPT --> finally became JAVASCRIPT
iv. Standardized : ECMAScript
FRIST
Javascrpit Data types
Two types of data types
Primitive Data Types
Basic Code :
Non-Primitive Data Types
Basic Code :
SECOND
Types of Variables
i. var //
1. Old method 2. Can chanage value 3. Function scoped
ii. let //
2. Block scoped 2. Can chanage value 3. Modern
iii. const //
1. Block scoped 2. Cannot chanage value 3. Fixed values :;
Basic Code :
Add conclusion
JavaScript is an essential language for web development .
If you Understand small story of javascript ,Data types ,Variables.
The are first step of learning for becoming good Developer
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