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The Boolean object represents two values, either “true” or “false”. If the value parameter is omitted or is 0, -0, null, false, NaN, undefined, or the empty string (“”), the object has an initial value of false.
Use the following syntax to create a boolean object.
var val = new Boolean(value);
Boolean Properties
Following 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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Boolean Methods
Following 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.
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| 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 take a look at a few examples to demonstrate the usage of the Boolean methods.
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