localStorage Fallback

localStorageFallback.js

/* Checks if localStorage exists on the browser, if not, creates a JSONFallbackStorage object where all the data will be stored. Also creates the localStorage methods so you won't need to change anything on your script. Just remember to send the data on JSONFallbackStore to the server. */ 

(function(window, undefined){
        if (typeof(localStorage) === undefined) {
                JSONFallbackStore = {};
                window.localStorage = {
                    getItem: function(key){
                        return JSONFallbackStore[key];
                    },
                    setItem: function(key, value){
                        JSONFallbackStore[key] = JSON.stringify(value);
                    },
                    removeItem: function(key){
                        delete JSONFallbackStore[key];
                    }
        }
    }
})(window);