var options = {

  websql:true, // Set to true if to use WebSQL instead

  idbVersion:1,

​

  structure:{

    Settings:{

      // You need to remove $ when using WebSQL

      $name:['text', 'unique'],

      value:'text',

    },

  },

​

  // Debug WebSQL query if needed

  debug:function(query, data){

    console.log("Query: "+query, data);

  }

};

​

var MyDB = new SFDatabase('MyDBName', options, whenInitialized);

var myFeature = {

  getSettings(name, callback){

    this.get('Settings', 'value', {name}, callback);

  },

  setSettings(name, value, callback){

    let that = this;

    this.has('Settings', {name}, function(exist){

      if(exist === false)

        that.insert('Settings', {name, value}, callback);

      else

        that.update('Settings', {value}, {name}, callback);

    });

  }

};

​

function whenInitialized(){

  Object.assign(MyDB, myFeature);

  MyDB.setSettings("It's", "ready!", function(){

    MyDB.getSettings("It's", console.log)

  });

}

​

​