Example of a namespace function to create a hierarchy of JavaScript objects.

namespace-example.js

//-------------------------------------------------------------
// your-company.js

window.yourCompany = {                                         
    version: '1.0',                                            
    namespace: function(path) {                                
        var part,                                              
            currentObject = window,                            
            parts = path.split('.')                            
            ;                                                  
        for (var i=0, len=parts.length; i < len; i++) {        
            part = parts[i];                                   
            if (!currentObject.hasOwnProperty(part)) {         
                currentObject[part] = {};                      
            }                                                  
            currentObject = currentObject[part];               
        }                                                      
        return currentObject;                                  
    }                                                          
};

//-------------------------------------------------------------
// your-company/ui/wizzle.js

(function() {                                                  
    var ns = yourCompany.namespace('yourCompany.ui.wizzle');   
    ns.defaultSize = 'tall';                                   
})();

//-------------------------------------------------------------
// Console

console.log(yourCompany.version);               // -> 1.0      
console.log(yourCompany.ui.wizzle.defaultSize); // -> tall     
console.log(window.ns);                         // -> undefined