old_contents: $(document).ready(function(){
    $('h6').hide();
    var setting = '';
    var value;
    $('#topic').change(function(){
      value = $('#topic').val();
    });
  	$('#btc').click(function(){
     setting = 'btc';
    });
    $('#rxmr').click(function(){
     setting = 'rxmr';
    });
    $('#rxmrtrader').click(function(){
     setting = 'rxmrtrader';
    });
    $('#stack').click(function(){
     setting = 'stack';
    });
  
  
    $('button').click(function(){
      console.log(setting);
      console.log(value);
      localStorage.mySetting = setting;
      localStorage.id = value;
      $('h6').show();
      setTimeout(function(){$('h6').hide();},2000);  
    });
  });
  
new_contents: $(document).ready(function(){
    $('h6').hide();
    var setting = '';
    var value;
    $('#topic').change(function(){
      value = $('#topic').val();
    });
  	$('#btc').click(function(){
     setting = 'btc';
    });
    $('#rxmr').click(function(){
     setting = 'rxmr';
    });
    $('#rxmrtrader').click(function(){
     setting = 'rxmrtrader';
    });
    $('#stack').click(function(){
     setting = 'stack';
    });
    $('#troll').click(function(){
      setting = 'troll';
    });
  
    $('button').click(function(){
      console.log(setting);
      console.log(value);
      localStorage.mySetting = setting;
      localStorage.id = value;
      $('h6').show();
      setTimeout(function(){$('h6').hide();},2000);  
    });
  });
  
subject: Update options.js