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Revision: 11763
at February 17, 2009 14:35 by johnloy

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/* A similar pattern to the module pattern is the “shared singleton” — create a singleton object for an application that can be used to share properties or methods between pages or inline frames.

Here’s the start of a “my.js” script that every page or frame in an application could share: */

if (typeof != “undefined”) {
var my =; // shared singleton
} else {

var my = {};

my.something …


/* The “parent” bit is so that the script can be used with iframes and still
retain a reference to the same “my” instance. If a page is at the top, then parent points to itself.

Every page or frame that imports “my.js” can share properties or methods with any other page. */

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Shared singleton pattern for sharing utility methods across pages

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