A Simple LocalStorage Model

storage.js

/*
    Define a Settings model object
    Properties are defined with getters and setters against the setting object itself.
 */
var settings = {
    implement: function(){
        var args = Array.prototype.slice.call(arguments); //take any number of arguments
        args.forEach(function(name){		
            if(!this.hasOwnProperty(name)){ //only implement properties not already defined
                Object.defineProperty(this, name, {
		    get: function(){
		        var val = localStorage[name];
			if(val){ 
			    return JSON.parse(val);
			}
			return null;
                    },
		    set: function(val){
		        localStorage[name] = JSON.stringify(val);
		    }
		});
	    }
	}, this);  //forEach allows setting of context, keep context of settings model
    }
};

// implement settings
settings.implement("active", "disabled", "init");