In JavaScript, how can I create a function with an optional parameter?

In JavaScript, how can I create a function with an optional parameter?



1.jquery - Javascript Functions and optional arguments ...

Description:I have two nearly identical javascript functions that are used
to initiate a jquery $.get call. The arguments to the function are passed
to the script being called.



2.Set a default parameter value for a JavaScript function ...

Description:Possible Duplicate: Is there a better way to do optional
function parameters in Javascript? I would like a JavaScript function to
have optional arguments which I ...



3.JavaScript - Wikipedia, the free encyclopedia

Description:JavaScript (JS) is a dynamic computer programming language. It
is most commonly used as part of web browsers, whose implementations allow
client-side scripts to ...



4.JavaScript: A Survey of the Language - Crockford

Description:A Survey of the JavaScript Programming Language. Douglas
Crockford www.crockford.com © 2002 Douglas Crockford. Overview. This
document is an introduction to the ...



5.JK JavaScript Reference- JavaScript global functions

Description:Click here for a complete JavaScript Reference, including
array, string, document. window, and more. Also included are documentation
on JavaScript operators ...



6.Understand JavaScript Callback Functions and Use Them ...

Description:Because functions are first-class objects, we can use callback
functions in JavaScript. In the rest of this article we will learn
everything about callback functions.



7.JavaScript Tutorial - Brown University

Description:EXAMPLES: Since we have now learned to use the essential
operators, we can use them in conjunction with one another. See if you can
work out why the following ...



8.JavascriptTips - jslibs - JavaScript language advanced ...

Description:21-02-2012 · JavaScript language advanced Tips & Tricks. These
tips and tricks are not related to any web browser or any Document Object
Model (DOM), they are only ...



9.Create a Nice, Lightweight JavaScript Tooltip

Description:Create a Nice, Lightweight JavaScript Tooltip. Jun 4 2008 by
Michael Leigeber | 202 Comments. Editor's note: This tutorial was written
by Michael Leigeber, a web ...



10.Javascript Parameter Patterns with $.extend and Beyond ...

Description:August 12, 2010. Enterprise developers have a tendency to
misunderstand JavaScript's function parameters. When getting started, many
expect JavaScript functions to ...