Basic Javascript learning:

	What is Javascript?
	Where to write?
	Defining Variables
	Statements and Expressions
	Basic Datatypes Overview
JS Operators
	Relational & Logical operators
	Arithmetic operators
	Bitwise operators
JS program flow
	If and else statements
	Switch Statement
	While loop statements
	For loop statements
	Break and continue
	Exception handling
JS Globals
	Using Globals
	JS Global reference
JS Numbers
	Using JS numbers
	Using JS number operators
	Using JS Number objects
	JS Number reference
JS Strings
	Using JS strings
	Using JS string objects
	JS String reference
JS Booleans
	Using JS booleans
	JS Boolean reference
JS Objects
	Using JS objects
	JS object common properties
	JS Object reference
JS Arrays
	Using JS arrays
	Using JS array objects
	JS Array reference
JS RegExp
	Using JS RegExp
	JS RegExp reference
JS Functions
	Using JS functions
	JS function and variable scope
	JS function closures
	JS built-in Function object
	JS function objects
	JS object encapsulation
	JS object inheritance
	JS object polymorphism
	JS Function reference
	Object related JS operators
All Basic JS references
	JS Globals reference
	JS objects reference
	JS Function reference
	JS arrays reference
	JS numbers reference
	JS Math functions reference
	JS strings reference
	JS booleans reference
	JS Dates reference
	JS RegExp reference
	JS Errors reference

Basic Datatypes in Javascript.

Basic datatypes and build-in objects in JavaScript.

Datatype	Value	Comments
number	64-bit floating point	Represented as values from ±5 x 10^-324 to ±1.7976931348623157 x 10⁺³⁰⁸. All numbers are floating point in Javascript.
string	sequence of characters	Characters on one line surrounded by single(') or double(") quotes.
boolean	true OR false	Usually used in connection with controlling the outcome of related conditions in the program during the execution of this.

Datatype	Value	Comments
null	null	Is a special value that indicates no value for the dataype. For boolean it converts to false and for numeric it converts to 0.
undefined	undefined	Appear for a variable that has been declared but never had a value assigned to it or any value type that does not exist.

Datatype	Value	Comments
object	Container of other datatype values	Is a collection of named values, that can be any datatype, other object or function value. All values is of public type.
array	An ordered collection of numbered values.	Each data value, which can be any datatype, object or function value, in an array has an index. All values is of public type. You can retrieve a value from an array by enclosing an index in square brackets. (arrayName[index])
function	Has executable code associated with it.	Can contain a collection of any datatype, object or function ,which can be private or public. Function can also contain function (inner function).

Datatype	Value	Comments
Math	An object with static math. methods	Is a collection of mathematical static methods, used in special calculations.
Date	An object that represents dates and times	Allow you to get and set the various date and time values. You can convert the Date to a string, using either local time or GMT time.
RegExp	An object for textual presentation	Provide a rich and powerful syntax for describing textual patterns.
Error	Objects for runtime error messages	The types of predefined error objects are Error, EvalError, RangeError, ReferenceError, SyntaxError, TypeError, and URIError.

javascript/datatypes/Basic.php

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