JavaScript Design

Methods in Functions

Only a single standard method object is available at this time for functions. Several other browser-specific methods are available but, as noted previously, this book focuses primarily on those that can be used with any browser. The method converts the output of a function to a string using the toString() method. It can be added to any function object. This format changes all numeric or Boolean values to strings:

						functionName.toString() 

The following script provides an illustrative example of how the method works:

<html> 
<head> 
<title>Illustrating toString()</title> 
<script language="JavaScript"> 
function alpha() { var hope = 12; var charity = 10; return hope > charity; } function beta() { var now = 57; var then = 3; ...