JavaScript - The Boolean Object
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The Boolean object represents two values, either "true" or "false". If valueparameter is omitted or is 0, -0, null, false, NaN, undefined, or the empty string (""), the object has an initial value of false.
Syntax
Use the following syntax to create a boolean object.
var val = new Boolean(value);
Boolean Properties
Here is a list of the properties of Boolean object −
| Sr.No | Property & Description |
|---|---|
| 1 | constructor
Returns a reference to the Boolean function that created the object.
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| 2 | prototype
The prototype property allows you to add properties and methods to an object.
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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.
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| 3 | valueOf()
Returns the primitive value of the Boolean object.
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In the following sections, we will have a few examples to demonstrate the usage of the Boolean methods.
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