54             setItem: function(k,v){this.$$$[k]=v},  argument
55             getItem: function(k){  argument
56               return this.$$$.hasOwnProperty(k) ? this.$$$[k] : undefined;
58             removeItem: function(k){delete this.$$$[k]},  argument
124       set: (k,v)=>$storage.setItem(storageKeyPrefix+k,v),
126       setJSON: (k,v)=>$storage.setItem(storageKeyPrefix+k,JSON.stringify(v)),
129       get: (k,dflt)=>$storageHolder.hasOwnProperty(
130         storageKeyPrefix+k
131       ) ? $storage.getItem(storageKeyPrefix+k) : dflt,
136       getBool: function(k,dflt){
137         return 'true'===this.get(k,''+(!!dflt));
142       getJSON: function f(k,dflt){
144           const x = this.get(k,f);
151       contains: (k)=>$storageHolder.hasOwnProperty(storageKeyPrefix+k),
153       remove: function(k){
154         $storage.removeItem(storageKeyPrefix+k);
159         this.keys().forEach((k)=>$storage.removeItem(/*w/o prefix*/k));
321       Object.keys(SF.config).forEach(function(k){  argument
322         if(storedConfig.hasOwnProperty(k)){
323           SF.config[k] = storedConfig[k];