Update 04-value_variable_datatype.md

Author: sajidhamdard

notes/English/04-value_variable_datatype.md

@@ -12,8 +12,6 @@ JavaScript provides several data types such as:
 
 JavaScript also supports special values like null and undefined, which can be used to represent missing or unknown values.
 
-JavaScript also allows for easy manipulation and manipulation of data through various built-in functions and methods like .map(), .filter(), .sort() etc. JavaScript also allows for easy interaction with other data sources such as JSON and XML through built-in functions like JSON.parse(), JSON.stringify(), XMLHttpRequest() etc.
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 Data manipulation is a key aspect of JavaScript and is used extensively in web development to create dynamic and interactive web pages, and for building web and mobile apps.
 
 ### What is value?
@@ -74,8 +72,6 @@ These primitive data types are the foundation of JavaScript and are used extensi
 
 In JavaScript, non-primitive data types are complex data types that can hold multiple values and provide additional functionality. They include:
 
-- Array: Represents a collection of values. Arrays are enclosed in square brackets and can hold a mix of different data types.
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 - Object: Represents a collection of key-value pairs. Objects are enclosed in curly braces and can hold a mix of different data types.
 
 - Function: Represents a block of code that can be executed. Functions are first-class citizens in JavaScript and can be assigned to variables, passed as arguments, and returned as values.
@@ -99,8 +95,6 @@ Once a variable is defined, its value can be accessed and modified throughout th
 
 JavaScript also allows variables to be defined without assigning a value to them, in that case they will have the value undefined.
 
-JavaScript also has a feature called "hoisting" which means that variables declared using the var keyword are moved to the top of the scope and are initialized with a value of undefined before any code is executed.
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 JavaScript's variables provide a way to store and manipulate data, which is a key aspect of the language, and is used extensively in web development to create dynamic and interactive web pages and for building web and mobile apps.
 
 ### Primitive Data Types Examples: