Object-Oriented JavaScript

Config.js

/**
 * Cross-browser supported OOP JS class with methods
 */

// Create a class "Config". The self-invoking
// function avoids the pollution the global namespace
var Config = (function() {
    
    // Construct
    function Config() {}
 
    // Add a method "update" (that's what the prototype is for!)
    Config.prototype.update = function(obj) {
        this.settings = obj;
    };
 
    // Return only the function, every other local variable stays 
    // in this scope
    return Config;
 
})();

// Instantiate class
var config = new Config();

// Class a method "update"
config.update({
    debug: false,
    windowWidth: $(window).width(),
    windowHeight: $(window).height()
});

console.log(config.settings);