JavaScript - L'objet booléen

le Booleanobject représente deux valeurs, "true" ou "false". Si le paramètre de valeur est omis ou est 0, -0, nul, faux,NaN, undefined, ou la chaîne vide (""), l'objet a une valeur initiale de false.

Syntaxe

Utilisez la syntaxe suivante pour créer un boolean objet.

var val = new Boolean(value);

Propriétés booléennes

Voici une liste des propriétés de l'objet booléen -

N ° Sr.	Propriété et description
1	constructor Returns a reference to the Boolean function that created the object.
2	prototype The prototype property allows you to add properties and methods to an object.

In the following sections, we will have a few examples to illustrate the properties of Boolean object.

Boolean Methods

Here is a list of the methods of Boolean object and their description.

Sr.No.	Method & Description
1	toSource() Returns a string containing the source of the Boolean object; you can use this string to create an equivalent object.
2	toString() Returns a string of either "true" or "false" depending upon the value of the object.
3	valueOf() Returns the primitive value of the Boolean object.

In the following sections, we will have a few examples to demonstrate the usage of the Boolean methods.