Simplified HTML5 JS storage

simplified_html5_js_storage.js

app.storage = {
  local: window.localStorage, // storage to be used
  set: function( key, value ){
    this.local.setItem( key, JSON.stringify( value ) );
    $( document ).trigger( 'storage', ['set', key, value] );
  },
  get: function( key ){
    return JSON.parse( this.local.getItem( key ) );
  },
  key: function( index ){
    return this.local.key( index );
  },
  remove: function( key ){
    this.local.removeItem( key );
    $( document ).trigger( 'storage', ['remove', key] );
  },
  clear: function(){
    return this.local.clear();
    $( document ).trigger( 'storage', ['clear'] );
  },
  keys: function(){
    var res = [];
    for( var i = 0; i < this.local.length; i++ ){
      res.push( this.local.key( i ) );
    };
    return res;
  }
};