gistfile1.txt

/**
 *  Auto Update
 *  These anonymous functions extends specific object automatically.
*/
(function( Update ){
    try{
        // Succeed to wic properties and methods.
        // But some of them are overridden.
        Update.prototype = wic;
    } catch( e ){
        // For undefined object 'wic'
        Update.prototype = {};
    }

    // Set as a new object.
    wic = new Update();
})


/**
 *  Constructor.
*/
(function(){
    this.say = function(){
        alert( 'Hello, world!' );
    };
});


wic.say();   // Hello, world!