The Boolean Type : Introduction « Number Data Type « JavaScript Tutorial






  1. JavaScript Tutorial
  2. Number Data Type
  3. Introduction

The Boolean type has two values, true and false.

True and false are also the two Boolean literals.

Even though false isn't equal to 0, 0 is converted to false when necessary.

var bFound = true;
var bLost = false;








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