Boolean.prototype
JavaScript 1.1+, ECMAScript 1.0+, JScript 3.0+ Nav3+, IE 4+ Syntax
Boolean.prototype.property Boolean.prototype.method
Description
The prototype property allows you to add new properties and methods to the Boolean object that can be used throughout your code.
Example
In Listing 6.64, the prototype property is used to create a new method, called letter(), which can be used by all Boolean objects. The letter() method uses the letterBoolean() function to return T or F based on the status of the object.
Listing 6.64 Assigning a New Method to the Boolean Object with the prototype Property
<html> <script language="JavaScript"> <!–– Hide //This function returns the string "T" or "F" based on the value stored in the //Boolean ... |
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