Variables are loosely typed. : Introduction « Number Data Type « JavaScript Tutorial

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JavaScript Tutorial » Number Data Type » Introduction

5. 1. 3. Variables are loosely typed.

variables in JavaScript are not given a specific type.

Each variable is defined using the var operator and can be initialized with any value.


var color = "red";

var num = 25;

var visible = true;

5. 1. Introduction
	5. 1. 1.	Numbers
	5. 1. 2.	Number() Object
	5. 1. 3.	Variables are loosely typed.
	5. 1. 4.	Built-in Values
	5. 1. 5.	Special Numerical Values
	5. 1. 6.	Primitive and Reference Values
	5. 1. 7.	Primitive Types
	5. 1. 8.	The Undefined Type
	5. 1. 9.	The Null Type
	5. 1. 10.	The Boolean Type
	5. 1. 11.	The Number Type
	5. 1. 12.	Number.MAX_VALUE and Number.MIN_VALUE define the outer bounds of the Number value set
	5. 1. 13.	NaN stands for Not a Number
	5. 1. 14.	JavaScript primitive values, Booleans, numbers, and strings, are pseudo-objects
	5. 1. 15.	Reference Types

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