JAVA FULL STACK DEVELOPMENT: "JAVA SCRIPT"

What is JavaScript ?
It is a programing language that makes a website dynamic(action) and interactive.It can delete, create, and even modify or alter.

Data-Information

String-More than one character

Integer-Number

JS Library-Collection of pre-written code provide ready-to-use function.

JS framework-A st of tools bulid using javascript,specifically designed for building web applications.

VARIABLE:
It is a container that stores a value such as a number, a piece of string, a boolean (true/false), an object, etc.

EXAMPLE:
let name = "Alice";
let age = 25;
let isStudent = true;

Here:

name is a variable that holds the string "Alice"

age holds the number 25

isStudent holds the boolean value true

• Variable can be Changeable
• Starts in lower case
• No space in-between

• Can be declared with and without keyword
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• Dynamically[duck type]-**JavaScript(Need not to mention the datatype)

• Statically-Java(Mention the data type for the 1st time)

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SCOPE:**

Global-Everyone or anyone can access.
Local-Particular people can access or do anything.