Alan Dix Snip!t: A JavaScript Module Pattern » Yahoo! User Interface Blog

Snip!t from collection of Alan Dix

Snip summary	Global variables are evil. Within YUI, we use only two g... YAHOO_config. Everthing in YUI makes use of members with... object hierarchy or variables that are scoped to such a ... that you exercise similar discipline in your own applica... Douglas Cro A JavaScript Module Pattern » Yahoo! User Interface Blog http://yuiblog.com/blog/2007/06/12/module-pattern/

Categories

/Channels/techie/JavaScript

[ go to category ]

For Snip	loading snip actions ...
For Page	loading url actions ...

Global variables are evil. Within YUI, we use only two globals: YAHOO and YAHOO_config. Everthing in YUI makes use of members within the YAHOO object hierarchy or variables that are scoped to such a member. We advise that you exercise similar discipline in your own applications, too.

Douglas Crockford has been teaching a useful singleton pattern for achieving this discipline, and I thought his pattern might be of interest to those of you building on top of YUI. Douglas calls this the “module pattern.” Here’s how it works:

HTML	<p><a href="http://yuiblog.com/blog/2006/06/01/global-domination/">Global variables are evil</a>. Within <a href="http://developer.yahoo.com/yui/">YUI</a>, we use only two globals: <code>YAHOO</code> and <code>YAHOO_config</code>. Everthing in YUI makes use of members within the <code>YAHOO</code> object hierarchy or variables that are scoped to such a member. We advise that you exercise similar discipline in your own applications, too.</p> <p>Douglas Crockford has been teaching a useful singleton pattern for achieving this discipline, and I thought his pattern might be of interest to those of you building on top of YUI. Douglas calls this the “module pattern.” Here’s how it works:</p> <p></p>

HTML

<a href="http://yuiblog.com/blog/2006/06/01/global-domination/">Global variables are evil</a>. Within <a href="http://developer.yahoo.com/yui/">YUI</a>, we use only two globals: <code>YAHOO</code> and <code>YAHOO_config</code>. Everthing in YUI makes use of members within the <code>YAHOO</code> object hierarchy or variables that are scoped to such a member. We advise that you exercise similar discipline in your own applications, too. Douglas Crockford has been teaching a useful singleton pattern for achieving this discipline, and I thought his pattern might be of interest to those of you building on top of YUI. Douglas calls this the “module pattern.” Here’s how it works:

Snip!t from collection of Alan Dix

Search Alan Dix Snips

Channels - Alan Dix